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发明名称
Film attaching means for motion picture reels
摘要
申请公布号
US1847945(A)
申请公布日期
1932.03.01
申请号
US19290346373
申请日期
1929.03.12
申请人
HOSKINS HERBERT W;HASSLACHER CARL A
发明人
HOSKINS HERBERT W.;HASSLACHER CARL A.
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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