FR447637A - Plafond hygiénique en métal découpé ou autre matière - Google Patents

Plafond hygiénique en métal découpé ou autre matière

Info

Publication number
FR447637A
FR447637A FR447637DA FR447637A FR 447637 A FR447637 A FR 447637A FR 447637D A FR447637D A FR 447637DA FR 447637 A FR447637 A FR 447637A
Authority
FR
France
Prior art keywords
hygienic
ceiling
cut metal
cut
metal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Ferdinand Deghilage
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FERDINAND DEGHILAGE
Original Assignee
FERDINAND DEGHILAGE
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 FERDINAND DEGHILAGE filed Critical FERDINAND DEGHILAGE
Application granted granted Critical
Publication of FR447637A publication Critical patent/FR447637A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR447637D 1912-08-26 1912-08-26 Plafond hygiénique en métal découpé ou autre matière Expired FR447637A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR447637T 1912-08-26

Publications (1)

Publication Number Publication Date
FR447637A true FR447637A (fr) 1913-01-10

Family

ID=1488312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447637D Expired FR447637A (fr) 1912-08-26 1912-08-26 Plafond hygiénique en métal découpé ou autre matière

Country Status (1)

Country Link
FR (1) FR447637A (fr)

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