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Publication of FR864906ApublicationCriticalpatent/FR864906A/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
B21D7/00—Bending rods, profiles, or tubes
B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
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FR864906D1939-04-151940-04-13Perfectionnements apportés aux procédés et dispositifs pour le façonnage de pièces, notamment métalliques
ExpiredFR864906A
(fr)
Perfectionnements apportés aux procédés et dispositifs pour la distillation, en marche continue et dans le vide, des gemmes, notamment des gemmes de pin