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SERGRAM
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SERGRAM
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Application filed by SERGRAMfiledCriticalSERGRAM
Application grantedgrantedCritical
Publication of FR1021364ApublicationCriticalpatent/FR1021364A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D53/00—Making other particular articles
B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1021364D1950-05-261950-05-26Procédé perfectionné de fabrication de persiennages et persisennage obtenu par lamise en oeuvre de ce procédé
ExpiredFR1021364A
(fr)