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经营范围
发明名称
Механизм кинопроекционного аппарата
摘要
申请公布号
SU78082(A1)
申请公布日期
1948.11.30
申请号
SU19470350507
申请日期
1947.01.07
申请人
KOTOV V.D.;PETROV V.V.
发明人
KOTOV V.D.;PETROV V.V.
分类号
G03B21/44
主分类号
G03B21/44
代理机构
代理人
主权项
地址
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