Power transmission device,申请号US19310528000-传众专利搜索

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发明名称	Power transmission device
摘要
申请公布号	US1993988(A)	申请公布日期	1935.03.12
申请号	US19310528000	申请日期	1931.04.06
申请人	BARRETT EDWARD L	发明人	BARRETT EDWARD L.
分类号		主分类号
代理机构		代理人
主权项
地址

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