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SOKA
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SOKA
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Application filed by SOKAfiledCriticalSOKA
Priority to FR7501810ApriorityCriticalpatent/FR2298382A1/fr
Publication of FR2298382A1publicationCriticalpatent/FR2298382A1/fr
Application grantedgrantedCritical
Publication of FR2298382B1publicationCriticalpatent/FR2298382B1/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
B21D15/00—Corrugating tubes
B21D15/04—Corrugating tubes transversely, e.g. helically
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Forging
(AREA)
FR7501810A1975-01-211975-01-21Procede de fabrication d'un tube taraude et application d'un tel tube comme manchon anti-eblouissant
GrantedFR2298382A1
(fr)