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发明名称
BLOCKING DEVICE FOR TELEPHONE SETS CONNECTED TO SHARED SUBSRIBER'S LINE
摘要
申请公布号
SU1160605(A1)
申请公布日期
1985.06.07
申请号
SU19833673574
申请日期
1983.12.15
申请人
KRAVCHENKO NIKOLAJ YA,SU;POLYAKOV ALEKSANDR M,SU
发明人
KRAVCHENKO NIKOLAJ YA,SU;POLYAKOV ALEKSANDR M,SU
分类号
H04M13/00;(IPC1-7):H04M13/00
主分类号
H04M13/00
代理机构
代理人
主权项
地址
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