Circuit for interconnecting a number of calling lines,申请号US19590858924-传众专利搜索

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法人/股东/高管

发明名称	Circuit for interconnecting a number of calling lines
摘要
申请公布号	US3182134(A)	申请公布日期	1965.05.04
申请号	US19590858924	申请日期	1959.12.11
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	HOCHGRAF LESTER
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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