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经营范围
发明名称
INDICATION DEVICE
摘要
申请公布号
SU798920(A2)
申请公布日期
1981.01.23
申请号
SU19792753289
申请日期
1979.04.16
申请人
FEDOROV VIKTOR D,SU
发明人
FEDOROV VIKTOR D,SU
分类号
(IPC1-7):G06K15/18
主分类号
(IPC1-7):G06K15/18
代理机构
代理人
主权项
地址
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