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发明名称
Затвор с дисковой диафрагмой
摘要
申请公布号
SU24694(A1)
申请公布日期
1931.12.31
申请号
SU19310081216
申请日期
1931.01.02
申请人
DOBROCHAEV S.E.
发明人
DOBROCHAEV S.E.
分类号
G03B9/04;G03B9/10
主分类号
G03B9/04
代理机构
代理人
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地址
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