IMPROVEMENTS IN ELECTRONIC TIME SWITCHING TELEPHONE SYSTEMS,申请号HK19780000599-传众专利搜索

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发明名称	IMPROVEMENTS IN ELECTRONIC TIME SWITCHING TELEPHONE SYSTEMS
摘要
申请公布号	HK59978(A)	申请公布日期	1978.10.20
申请号	HK19780000599	申请日期	1978.10.12
申请人	JEUMONT SCHNEIDER	发明人
分类号	H04M3/22;H04J3/00;H04M3/20;H04M3/60;H04Q11/00;H04Q11/04;(IPC1-7):H04M3/20	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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