Power-driven hand tool,申请号US19380197382-传众专利搜索

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发明名称	Power-driven hand tool
摘要
申请公布号	US2146551(A)	申请公布日期	1939.02.07
申请号	US19380197382	申请日期	1938.03.22
申请人	THE WATERBURY CLOCK COMPANY	发明人	PUTNAM JAMES R.
分类号	H02K7/14	主分类号	H02K7/14
代理机构		代理人
主权项
地址

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