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公开(公告)号：US2688056A
公开(公告)日：1954-08-31
申请号：US25290251
申请日：1951-10-24
Applicant: GEN MOTORS CORP
Inventor： KETTERING CHARLES F , ROSELANDT FRANK J
IPC: H01H35/42
CPC classification number: H01H35/42
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