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发明名称
Film spool carriage
摘要
申请公布号
US2193022(A)
申请公布日期
1940.03.12
申请号
US19380229721
申请日期
1938.09.13
申请人
EASTMAN KODAK COMPANY
发明人
DROTNING HENRY O.
分类号
G03B17/30
主分类号
G03B17/30
代理机构
代理人
主权项
地址
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