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发明名称
Прибор для предварительного определения времени экспозиции кинопленки для копировальных аппаратов
摘要
申请公布号
SU29356(A1)
申请公布日期
1933.02.28
申请号
SU19310088604
申请日期
1931.05.16
申请人
KULYGIN I.S.
发明人
KULYGIN I.S.
分类号
G03B27/02;G03C5/02
主分类号
G03B27/02
代理机构
代理人
主权项
地址
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