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经营范围
发明名称
SWITCHBOARD
摘要
申请公布号
SU1539986(A1)
申请公布日期
1990.01.30
申请号
SU19884419961
申请日期
1988.05.03
申请人
ORDYNTSEV VYACHESLAV M,SU;SLEPOVA SVETLANA S,SU
发明人
ORDYNTSEV VYACHESLAV M,SU;SLEPOVA SVETLANA S,SU
分类号
H03K17/042;H03K17/04
主分类号
H03K17/042
代理机构
代理人
主权项
地址
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