Double acting internal combustion engine,申请号US19290401234-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	US1938737(A)	申请公布日期	1933.12.12
申请号	US19290401234	申请日期	1929.10.21
申请人	ALFRED BUCHI	发明人	BUCHI ALFRED
分类号	F02B37/00	主分类号	F02B37/00
代理机构		代理人
主权项
地址

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