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发明名称
INTERLOCK FOR TELEPHONE SETS PLACED INTO SUBSCRIBER'S LINE OF COLLECTIVE USE
摘要
申请公布号
RU2019058(C1)
申请公布日期
1994.08.30
申请号
SU19925026293
申请日期
1992.02.06
申请人
KRAVCHENKO NIKOLAJ YA
发明人
KRAVCHENKO NIKOLAJ YA
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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