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发明名称
Фотографический объектив
摘要
申请公布号
SU46377(A1)
申请公布日期
1936.03.31
申请号
SU19350172310
申请日期
1935.07.05
申请人
BEGUNOV B.N.
发明人
BEGUNOV B.N.
分类号
G02B9/12
主分类号
G02B9/12
代理机构
代理人
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