Variable speed transmission device,申请号US19310555224-传众专利搜索

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发明名称	Variable speed transmission device
摘要
申请公布号	US2088834(A)	申请公布日期	1937.08.03
申请号	US19310555224	申请日期	1931.08.05
申请人	ARDRA LOUISE BRIGGS	发明人	BRIGGS EARLE C.
分类号	F16H33/10	主分类号	F16H33/10
代理机构		代理人
主权项
地址

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