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公开(公告)号：US3424055A
公开(公告)日：1969-01-28
申请号：US3424055D
申请日：1965-11-12
Applicant: GENEVOISE INSTR PHYSIQUE
Inventor： ROLLAT GERMAIN
CPC classification number: B23B31/06 , B23B31/268 , Y10T279/1241 , Y10T279/3412 , Y10T279/3418 , Y10T409/309464
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