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发明名称
Прибор для определения плотности негативов
摘要
申请公布号
SU34944(A1)
申请公布日期
1934.02.28
申请号
SU19330123944
申请日期
1933.02.14
申请人
OZEROV N.N.
发明人
OZEROV N.N.
分类号
G03C5/02
主分类号
G03C5/02
代理机构
代理人
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地址
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