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公开(公告)号：US2818239A
公开(公告)日：1957-12-31
申请号：US57575956
申请日：1956-04-03
Applicant: GEN MOTORS CORP
Inventor： WILLIAM EICKMEIER EDWARD , ELMER OLSON
IPC: F02M1/10
CPC classification number: F02M1/10
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