Variable speed drive,申请号US19370127468-传众专利搜索

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发明名称	Variable speed drive
摘要
申请公布号	US2161054(A)	申请公布日期	1939.06.06
申请号	US19370127468	申请日期	1937.02.24
申请人	DECATUR ASSOCIATES	发明人	JEPSON JAMES A.
分类号	D01H1/20	主分类号	D01H1/20
代理机构		代理人
主权项
地址

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