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发明名称
SECRETARIATE TELEPHONE EXCHANGE
摘要
申请公布号
RO94535(B1)
申请公布日期
1988.05.31
申请号
RO19860125927
申请日期
1986.12.18
申请人
INSTITUTUL POLITEHNIC
发明人
CROITORU VICTOR MIRON;POPESCU VICTOR;OPRICAN MARIAN;FIERBINTEANU MIHAI;BORDEANU STEFAN
分类号
H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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