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公开(公告)号：US2771864A
公开(公告)日：1956-11-27
申请号：US47864154
申请日：1954-12-30
Applicant: GEN MOTORS CORP
Inventor： CARIS DARL F , FRED DAVIS
CPC classification number: F02M1/00 , F02B75/22 , F02B2075/1832 , F02M2700/4392
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