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发明名称
Фотографический аппарат
摘要
申请公布号
SU16509(A1)
申请公布日期
1930.08.31
申请号
SU19280037250
申请日期
1928.12.19
申请人
KOVALENKO P.N.
发明人
KOVALENKO P.N.
分类号
G03B17/34
主分类号
G03B17/34
代理机构
代理人
主权项
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