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发明名称
Фототрансформатор
摘要
申请公布号
SU71577(A1)
申请公布日期
1947.11.30
申请号
SU19470331496
申请日期
1947.06.23
申请人
DROBYSHEV F.V.
发明人
DROBYSHEV F.V.
分类号
G01C11/02;G01C11/04
主分类号
G01C11/02
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代理人
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