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发明名称
Method for removing scratches from celluloid motion picture negative and positive films
摘要
申请公布号
US2069501(A)
申请公布日期
1937.02.02
申请号
US19340705345
申请日期
1934.01.05
申请人
CINEMA PATENTS COMPANY, INC.
发明人
MILLER ARTHUR J.
分类号
G03D15/00
主分类号
G03D15/00
代理机构
代理人
主权项
地址
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