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F W BUNDGENS MASCHF
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F W BUNDGENS MASCHF
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Publication date
Application filed by F W BUNDGENS MASCHFfiledCriticalF W BUNDGENS MASCHF
Application grantedgrantedCritical
Publication of FR471452ApublicationCriticalpatent/FR471452A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
B21G3/00—Making pins, nails, or the like
B21G3/02—Making pins, nails, or the like of pins of the kind used in the tailoring trade or the house- hold
B21G3/04—Making pins, nails, or the like of pins of the kind used in the tailoring trade or the house- hold with locking or shielding device for the pin point, e.g. safety-pins
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR471452D1913-06-141914-04-28Machine à épingles de sureté avec dispositif d'amenée des capuchons
ExpiredFR471452A
(fr)