MA53649A - Tôle d'acier laminée à chaud présentant un taux d'expansion de trou élevé et son procédé de fabrication - Google Patents

Tôle d'acier laminée à chaud présentant un taux d'expansion de trou élevé et son procédé de fabrication

Info

Publication number
MA53649A
MA53649A MA053649A MA53649A MA53649A MA 53649 A MA53649 A MA 53649A MA 053649 A MA053649 A MA 053649A MA 53649 A MA53649 A MA 53649A MA 53649 A MA53649 A MA 53649A
Authority
MA
Morocco
Prior art keywords
processing method
steel sheet
rolled steel
hot rolled
expansion rate
Prior art date
Application number
MA053649A
Other languages
English (en)
Other versions
MA53649B1 (fr
Inventor
Sujay Sarkar
Original Assignee
Arcelormittal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelormittal filed Critical Arcelormittal
Publication of MA53649A publication Critical patent/MA53649A/fr
Publication of MA53649B1 publication Critical patent/MA53649B1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/84—Controlled slow cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
    • C21D8/0426—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0447—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment
    • C21D8/0463—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1261—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
MA53649A 2018-09-20 2019-09-09 Tôle d'acier laminée à chaud présentant un taux d'expansion de trou élevé et son procédé de fabrication MA53649B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IB2018/057246 WO2020058747A1 (fr) 2018-09-20 2018-09-20 Tôle d'acier laminée à chaud présentant un taux d'expansion de trou élevé et son procédé de fabrication
PCT/IB2019/057571 WO2020058801A1 (fr) 2018-09-20 2019-09-09 Tôle d'acier laminée à chaud présentant un taux d'expansion de trou élevé et son procédé de fabrication

Publications (2)

Publication Number Publication Date
MA53649A true MA53649A (fr) 2022-03-30
MA53649B1 MA53649B1 (fr) 2023-11-30

Family

ID=63794566

Family Applications (1)

Application Number Title Priority Date Filing Date
MA53649A MA53649B1 (fr) 2018-09-20 2019-09-09 Tôle d'acier laminée à chaud présentant un taux d'expansion de trou élevé et son procédé de fabrication

Country Status (15)

Country Link
US (2) US20220056543A1 (fr)
EP (1) EP3853388B1 (fr)
JP (1) JP7239685B2 (fr)
KR (3) KR20240000646A (fr)
CN (1) CN112673117A (fr)
CA (1) CA3110823C (fr)
ES (1) ES2958809T3 (fr)
FI (1) FI3853388T3 (fr)
HU (1) HUE063244T2 (fr)
MA (1) MA53649B1 (fr)
MX (1) MX2021002972A (fr)
PL (1) PL3853388T3 (fr)
RU (1) RU2768710C1 (fr)
UA (1) UA126518C2 (fr)
WO (2) WO2020058747A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114107790B (zh) * 2020-08-31 2023-11-14 宝山钢铁股份有限公司 一种980MPa级超低碳马氏体高扩孔钢及其制造方法
CN114107793B (zh) * 2020-08-31 2023-11-14 宝山钢铁股份有限公司 一种1180MPa级低碳马氏体高扩孔钢及其制造方法
WO2022071881A1 (fr) 2020-09-29 2022-04-07 Cashshield Pte. Ltd. Évaluation des risques en continu pour dispositifs mobiles
EP4379073A4 (fr) * 2021-07-27 2025-10-29 Nippon Steel Corp Tôle d'acier laminée à chaud
EP4524278A4 (fr) * 2022-06-22 2025-07-30 Baoshan Iron & Steel Acier à haute aptitude à l'alésage et son procédé de fabrication
WO2026070562A1 (fr) * 2024-09-26 2026-04-02 Ｊｆｅスチール株式会社 Tôle en acier laminée à chaud hautement résistante, élément, et procédés de fabrication associés

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE490349T1 (de) * 1999-09-29 2010-12-15 Jfe Steel Corp Stahlblech und verfahren zu dessen herstellung
FR2807068B1 (fr) 2000-03-29 2002-10-11 Usinor Acier lamine a chaud a tres haute limite d'elasticite et resistance mecanique utilisable notamment pour la realisation de piece de vehicules automobiles
JP4109609B2 (ja) * 2003-11-18 2008-07-02 新日本製鐵株式会社 伸びと穴拡げ性と２次加工割れ性に優れた高強度熱延鋼板
JP4682822B2 (ja) * 2004-11-30 2011-05-11 Ｊｆｅスチール株式会社 高強度熱延鋼板
JP5365216B2 (ja) * 2008-01-31 2013-12-11 Ｊｆｅスチール株式会社 高強度鋼板とその製造方法
JP5609383B2 (ja) * 2009-08-06 2014-10-22 Ｊｆｅスチール株式会社 低温靭性に優れた高強度熱延鋼板およびその製造方法
EP2691550B1 (fr) 2011-03-30 2017-05-24 Tata Steel Nederland Technology B.V. Procédé pour le traitement thermique local d'une bande métallique revêtue et bande métallique revêtue thermotraitée localement
JP5488763B2 (ja) * 2011-05-25 2014-05-14 新日鐵住金株式会社 冷延鋼板及びその製造方法
JP2013129879A (ja) * 2011-12-22 2013-07-04 Jfe Steel Corp 耐硫化物応力割れ性に優れた油井用高強度継目無鋼管およびその製造方法
KR101412247B1 (ko) * 2012-03-29 2014-06-27 현대제철 주식회사 초고강도 강판 제조 방법
US20150203947A1 (en) * 2012-07-31 2015-07-23 Jfe Steel Corporation High-strength galvanized steel sheet with excellent formability and shape fixability and method for manufacturing the same
WO2014132968A1 (fr) 2013-02-26 2014-09-04 新日鐵住金株式会社 TÔLE D'ACIER LAMINÉE À CHAUD À HAUTE RÉSISTANCE, DOTÉE D'UNE RÉSISTANCE À LA TRACTION MAXIMALE DE 980 MPa OU SUPÉRIEURE ET PRÉSENTANT D'EXCELLENTES TREMPABILITÉ PAR CUISSON ET TÉNACITÉ À BASSES TEMPÉRATURES
EP3000905B1 (fr) 2013-05-21 2019-10-30 Nippon Steel Corporation Tôle d'acier laminée à chaud et son procédé de fabrication
US10329636B2 (en) * 2014-03-31 2019-06-25 Jfe Steel Corporation High-strength cold-rolled steel sheet with excellent material homogeneity and production method therefor
JP6354268B2 (ja) 2014-04-02 2018-07-11 新日鐵住金株式会社 打抜き穴広げ性と低温靭性に優れた引張最大強度９８０ＭＰａ以上の高強度熱延鋼板及びその製造方法
BR112016014926B1 (pt) * 2014-06-09 2021-01-12 Nippon Steel Corporation tubo de aço de baixa liga para poço de óleo
WO2016079565A1 (fr) * 2014-11-18 2016-05-26 Arcelormittal Procédé de fabrication d'un produit en acier haute résistance et produit en acier ainsi obtenu
EP3263728B1 (fr) * 2015-02-27 2019-09-11 JFE Steel Corporation Tôle en acier laminée à froid hautement résistante, et procédé de fabrication de celle-ci
CN107429362B (zh) * 2015-04-01 2020-06-23 杰富意钢铁株式会社 热轧钢板及其制造方法
WO2017109542A1 (fr) * 2015-12-21 2017-06-29 Arcelormittal Procédé de fabrication d'une tôle d'acier à haute résistance présentant une ductilité et une formabilité améliorées et tôle d'acier obtenue par ce procédé
WO2017125773A1 (fr) * 2016-01-18 2017-07-27 Arcelormittal Tôle d'acier à haute résistance présentant une excellente aptitude au formage et procédé de fabrication de celle-ci
WO2018108653A1 (fr) 2016-12-14 2018-06-21 Thyssenkrupp Steel Europe Ag Produit plat en acier laminé à chaud et son procédé de fabrication
WO2018115935A1 (fr) * 2016-12-21 2018-06-28 Arcelormittal Tôle d'acier revêtue et revenue présentant une excellente formabilité et son procédé de fabrication

Also Published As

Publication number Publication date
JP2022501503A (ja) 2022-01-06
PL3853388T3 (pl) 2024-01-03
KR20240000646A (ko) 2024-01-02
HUE063244T2 (hu) 2024-01-28
EP3853388A1 (fr) 2021-07-28
UA126518C2 (uk) 2022-10-19
US20220056543A1 (en) 2022-02-24
US20260078459A1 (en) 2026-03-19
CN112673117A (zh) 2021-04-16
JP7239685B2 (ja) 2023-03-14
BR112021003523A2 (pt) 2021-05-18
CA3110823C (fr) 2023-01-24
CA3110823A1 (fr) 2020-03-26
MX2021002972A (es) 2021-05-12
EP3853388B1 (fr) 2023-08-09
KR20240170848A (ko) 2024-12-04
KR20210044260A (ko) 2021-04-22
ES2958809T3 (es) 2024-02-15
MA53649B1 (fr) 2023-11-30
WO2020058747A1 (fr) 2020-03-26
WO2020058801A1 (fr) 2020-03-26
FI3853388T3 (fi) 2023-10-02
RU2768710C1 (ru) 2022-03-24

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