Electronic switching system,申请号US19590794630-传众专利搜索

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发明名称	Electronic switching system
摘要
申请公布号	US2938961(A)	申请公布日期	1960.05.31
申请号	US19590794630	申请日期	1959.02.20
申请人	GENERAL TELEPHONE LABORATORIES, INCORPORATED	发明人	FAULKNER ALFRED H.
分类号	H03K3/038;H04Q11/04	主分类号	H03K3/038
代理机构		代理人
主权项
地址

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