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经营范围
发明名称
PUPIL EXAMINING DEVICE
摘要
申请公布号
SU734795(A1)
申请公布日期
1980.05.15
申请号
SU19782566730
申请日期
1978.01.02
申请人
LE G UNIV IM. A.A.ZHDANOVA;TAGANROGSKIJ RADIOTECH INST
发明人
MEDVEDEV VALERIJ P,SU;SALNIKOV BORIS A,SU
分类号
G09B7/07;(IPC1-7):G09B7/07
主分类号
G09B7/07
代理机构
代理人
主权项
地址
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