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发明名称
Приспособление для непрерывного проектирования фильмов
摘要
申请公布号
SU21061(A1)
申请公布日期
1931.05.31
申请号
SU19290043048
申请日期
1929.03.20
申请人
SEVERYANOV K.N.
发明人
SEVERYANOV K.N.
分类号
G03B1/24
主分类号
G03B1/24
代理机构
代理人
主权项
地址
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