Operating mechanism for change speed gears,申请号US19470758751-传众专利搜索

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发明名称	Operating mechanism for change speed gears
摘要
申请公布号	US2520209(A)	申请公布日期	1950.08.29
申请号	US19470758751	申请日期	1947.07.03
申请人	HILL WILLIAM H	发明人	HILL WILLIAM H.
分类号	B62M25/04;G05G13/00	主分类号	B62M25/04
代理机构		代理人
主权项
地址

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