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BOCHUMER GES fur GRUBENAUSBAU
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BOCHUMER GES fur GRUBENAUSBAU
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Application filed by BOCHUMER GES fur GRUBENAUSBAUfiledCriticalBOCHUMER GES fur GRUBENAUSBAU
Application grantedgrantedCritical
Publication of FR1174012ApublicationCriticalpatent/FR1174012A/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
B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1174012D1956-03-141957-03-13Perfectionnements apportés aux procédés et dispositifs pour fabriquer des segments de cadres de soutènement
ExpiredFR1174012A
(fr)