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公开(公告)号：US3313170A
公开(公告)日：1967-04-11
申请号：US38852564
申请日：1964-08-10
Applicant: GEN DYNAMICS CORP
Inventor： LACY GARRY T , HOFFA JACK L
IPC: F16D21/02
CPC classification number: F16D21/02 , Y10T74/19437
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