Change-speed gear,申请号US19510214348-传众专利搜索

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发明名称	Change-speed gear
摘要
申请公布号	US2667080(A)	申请公布日期	1954.01.26
申请号	US19510214348	申请日期	1951.03.07
申请人	PAUL DURAND	发明人	DURAND PAUL
分类号	F16H3/02;F16H3/06;F16H37/00	主分类号	F16H3/02
代理机构		代理人
主权项
地址

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