Rolling lever valve motion for locomotive and marine steam engines,申请号US19370139091-传众专利搜索

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发明名称	Rolling lever valve motion for locomotive and marine steam engines
摘要
申请公布号	US2182925(A)	申请公布日期	1939.12.12
申请号	US19370139091	申请日期	1937.04.26
申请人	JOHANNES LENTZ HUGO	发明人	LENTZ HUGO JOHANNES
分类号	B61C17/12	主分类号	B61C17/12
代理机构		代理人
主权项
地址

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