Rotary valve for internal combustion engines,申请号US19320648666-传众专利搜索

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发明名称	Rotary valve for internal combustion engines
摘要
申请公布号	US1977025(A)	申请公布日期	1934.10.16
申请号	US19320648666	申请日期	1932.12.23
申请人	VANDER ELST JEAN;FRANCISCUS BACKX JOANNES	发明人	ELST JEAN VANDER;BACKX JOANNES FRANCISCUS
分类号	F01L7/00	主分类号	F01L7/00
代理机构		代理人
主权项
地址

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