A computerized intercommunication and telephone system,申请号GB19800001991-传众专利搜索

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法人/股东/高管

发明名称	A computerized intercommunication and telephone system
摘要
申请公布号	GB2040140(A)	申请公布日期	1980.08.20
申请号	GB19800001991	申请日期	1980.01.21
申请人	MAXMAN AG	发明人
分类号	H04M1/64;H04M3/53;H04M9/00;(IPC1-7):H04M3/50	主分类号	H04M1/64
代理机构		代理人
主权项
地址

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