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COMPTOIR IND ETIRAGE
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
COMPTOIR IND ETIRAGE
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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Application filed by COMPTOIR IND ETIRAGE, Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAUfiledCriticalCOMPTOIR IND ETIRAGE
Application grantedgrantedCritical
Publication of FR977471ApublicationCriticalpatent/FR977471A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR977471D1942-07-111942-07-11Perfectionnement à la déformation plastique à froid des métaux
ExpiredFR977471A
(fr)