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发明名称
Приспособление для предохранения фильма от разматывания в кассетке
摘要
申请公布号
SU14289(A1)
申请公布日期
1930.03.31
申请号
SU19290041846
申请日期
1929.03.01
申请人
MASHKOVICH A.G.
发明人
MASHKOVICH A.G.
分类号
G03B21/54;G11B23/08
主分类号
G03B21/54
代理机构
代理人
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