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发明名称
PHOTOGRAPHIC FILM WITH SOUND TRACK INDICATION
摘要
申请公布号
CA302547(A)
申请公布日期
1930.07.29
申请号
CAD302547
申请日期
申请人
THE EASTMAN KODAK COMPANY
发明人
KENNETH CLAUDE DEVEREUX HICKMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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