Clutch device for variable speed transmission mechanism,申请号US19310583721-传众专利搜索

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发明名称	Clutch device for variable speed transmission mechanism
摘要
申请公布号	US2004750(A)	申请公布日期	1935.06.11
申请号	US19310583721	申请日期	1931.12.29
申请人	JOHN ECKHARD	发明人	ECKHARD JOHN
分类号	F16D13/16	主分类号	F16D13/16
代理机构		代理人
主权项
地址

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