Variable-speed transmission,申请号US19490118052-传众专利搜索

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发明名称	Variable-speed transmission
摘要
申请公布号	US2546856(A)	申请公布日期	1951.03.27
申请号	US19490118052	申请日期	1949.09.27
申请人	FRAZIER MARION R	发明人	FRAZIER MARION R.
分类号	F16H9/14	主分类号	F16H9/14
代理机构		代理人
主权项
地址

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