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IND POUR L EXPL DE PROCEDES SP
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IND POUR L EXPL DE PROCEDES SP
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Publication of FR813703ApublicationCriticalpatent/FR813703A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
B21K21/00—Making hollow articles not covered by a single preceding sub-group
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR813703D1936-11-181936-11-18Machine pour calibrage par matriçage à chaud des fonds des tubes de canons de fusils de guerre, de chasse ou similaires
ExpiredFR813703A
(fr)