Switch,申请号US19480027722-传众专利搜索

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发明名称	Switch
摘要
申请公布号	US2501195(A)	申请公布日期	1950.03.21
申请号	US19480027722	申请日期	1948.05.18
申请人	THE DAVEN COMPANY	发明人	JR. JOHN P. SMITH,
分类号	H01H19/58	主分类号	H01H19/58
代理机构		代理人
主权项
地址

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