Base for telephone substation set,申请号US19540461315-传众专利搜索

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发明名称	Base for telephone substation set
摘要
申请公布号	US2912513(A)	申请公布日期	1959.11.10
申请号	US19540461315	申请日期	1954.10.11
申请人	NORTH ELECTRIC COMPANY	发明人	ROBINSON JAMES M.;LEWIS DONALD A.;GRESHEL LEONARD J.
分类号	H04M1/02	主分类号	H04M1/02
代理机构		代理人
主权项
地址

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