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发明名称
Приспособление для регулировки скоростей затвора фотографической камеры
摘要
申请公布号
SU15921(A1)
申请公布日期
1930.06.30
申请号
SU19290045685
申请日期
1929.04.22
申请人
MAKSAKOV G.L.
发明人
MAKSAKOV G.L.
分类号
G03B9/58
主分类号
G03B9/58
代理机构
代理人
主权项
地址
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