SWITCHING DEVICE FOR CONFERENCE COMMUNICATION SYSTEM,申请号SU19823439907-传众专利搜索

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发明名称	SWITCHING DEVICE FOR CONFERENCE COMMUNICATION SYSTEM
摘要
申请公布号	SU1127104(A1)	申请公布日期	1984.11.30
申请号	SU19823439907	申请日期	1982.05.14
申请人	RIZHSKIJ POLT INSTITUT	发明人	KOTOVICH GLEB N,SU;GAVROVSKIJ LEONID D,SU;KOMAROV KONSTANTIN S,SU;KORESHKOV YURIJ N,SU;YANENKO YURIJ B,SU
分类号	H04M3/56;(IPC1-7):H04M3/56	主分类号	H04M3/56
代理机构		代理人
主权项
地址

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