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经营范围
发明名称
OBJECTIVE LENS
摘要
申请公布号
RU1770937(C)
申请公布日期
1992.10.23
申请号
SU19904803891
申请日期
1990.01.04
申请人
N-PROIZV OB "GEOFIZIKA"
发明人
POZDNOV SERGEJ V,SU;POLKUNOV VIKTOR A,SU
分类号
G02B7/02
主分类号
G02B7/02
代理机构
代理人
主权项
地址
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