Double-acting internal-combustion engine,申请号US19280310062-传众专利搜索

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发明名称	Double-acting internal-combustion engine
摘要
申请公布号	US1792444(A)	申请公布日期	1931.02.10
申请号	US19280310062	申请日期	1928.10.03
申请人	OVE PETERSEN	发明人	PETERSEN OVE
分类号	F02B75/00;F02F1/00;F02F1/16	主分类号	F02B75/00
代理机构		代理人
主权项
地址

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