Variable-compression internal-combustion engine,申请号US19280272288-传众专利搜索

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发明名称	Variable-compression internal-combustion engine
摘要
申请公布号	US1754410(A)	申请公布日期	1930.04.15
申请号	US19280272288	申请日期	1928.04.23
申请人	ROBERT LEE GRAY	发明人	ALLWILL STEPHEN SEYMOUR
分类号	F02B75/04	主分类号	F02B75/04
代理机构		代理人
主权项
地址

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