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发明名称
Нейтральный светофильтр
摘要
申请公布号
SU66625(A1)
申请公布日期
1945.11.30
申请号
SU19420007153
申请日期
1942.05.29
申请人
NOVIKOV V.V.
发明人
NOVIKOV V.V.
分类号
G02B5/22;G01J1/04
主分类号
G02B5/22
代理机构
代理人
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