Telephone switch or telephone contact,申请号US19400369157-传众专利搜索

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发明名称	Telephone switch or telephone contact
摘要
申请公布号	US2384948(A)	申请公布日期	1945.09.18
申请号	US19400369157	申请日期	1940.12.09
申请人	AUTOMATIC ELECTRIC LABORATORIES, INC.	发明人	MCLOUGHLIN GEORGE H.
分类号	H04M1/10	主分类号	H04M1/10
代理机构		代理人
主权项
地址

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