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发明名称
Фотографический аппарат
摘要
申请公布号
SU21661(A1)
申请公布日期
1931.07.31
申请号
SU19300064888
申请日期
1930.02.21
申请人
VASILEV S.I.
发明人
VASILEV S.I.
分类号
G03B19/02
主分类号
G03B19/02
代理机构
代理人
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地址
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