DEVICE FOR EXCHANGE BETWEEN SUBSCRIBERS AND USERS,申请号SU19782707151-传众专利搜索

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发明名称	DEVICE FOR EXCHANGE BETWEEN SUBSCRIBERS AND USERS
摘要
申请公布号	SU922754(A1)	申请公布日期	1982.04.23
申请号	SU19782707151	申请日期	1978.12.29
申请人	BEREZKIN BORIS S,SU;VLASOV YURIJ A,SU;DYURO VLADIMIR B,SU;KOSTIN YURIJ N,SU;OLKHOVSKIJ YURIJ B,SU;STEPANOV NIKOLAJ K,SU	发明人	BEREZKIN BORIS S,SU;VLASOV YURIJ A,SU;DYURO VLADIMIR B,SU;KOSTIN YURIJ N,SU;OLKHOVSKIJ YURIJ B,SU;STEPANOV NIKOLAJ K,SU
分类号	G06F9/50;G06F15/00;H04L12/423;(IPC1-7):G06F15/00	主分类号	G06F9/50
代理机构		代理人
主权项
地址

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