Switch structure for motor-driven tools,申请号US19500140731-传众专利搜索

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发明名称	Switch structure for motor-driven tools
摘要
申请公布号	US2592649(A)	申请公布日期	1952.04.15
申请号	US19500140731	申请日期	1950.01.26
申请人	CRANE PACKING COMPANY	发明人	BRACKETT NEWELL
分类号	B21D39/16	主分类号	B21D39/16
代理机构		代理人
主权项
地址

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