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发明名称
Обтюратор со спектральными светофильтрами
摘要
申请公布号
SU24698(A1)
申请公布日期
1931.12.31
申请号
SU19290045762
申请日期
1929.04.23
申请人
ANOSHSHENKO N.D.
发明人
ANOSHSHENKO N.D.
分类号
G03B11/00
主分类号
G03B11/00
代理机构
代理人
主权项
地址
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