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发明名称
TELEPHONE COMMUTATOR
摘要
申请公布号
RU1794279(C)
申请公布日期
1993.02.07
申请号
SU19914947699
申请日期
1991.05.21
申请人
CHERKASHIN ALEKSANDR,SU;CHERKASHIN VIKTOR,SU
发明人
CHERKASHIN ALEKSANDR I,SU;CHERKASHIN VIKTOR I,SU
分类号
H04M3/58
主分类号
H04M3/58
代理机构
代理人
主权项
地址
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