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发明名称
Затвор для зеркальной камеры
摘要
申请公布号
SU32296(A1)
申请公布日期
1933.09.30
申请号
SU19310088380
申请日期
1931.04.16
申请人
PONOMAREV I.N.
发明人
PONOMAREV I.N.
分类号
G03B9/18
主分类号
G03B9/18
代理机构
代理人
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