Variable-speed transmission device,申请号US19470774635-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	US2547453(A)	申请公布日期	1951.04.03
申请号	US19470774635	申请日期	1947.09.17
申请人	EGY JOSEPH H	发明人	EGY JOSEPH H.
分类号	F16H29/14	主分类号	F16H29/14
代理机构		代理人
主权项
地址

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