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公开(公告)号：US3180172A
公开(公告)日：1965-04-27
申请号：US24142962
申请日：1962-11-30
Applicant: ASS ELECT IND
Inventor： ARTHUR LEGGATT DAVID CHARLES
IPC: F16H55/08
CPC classification number: F16H55/0826 , Y10T74/19972
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