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发明名称
Device for making projection screens
摘要
申请公布号
US2694226(A)
申请公布日期
1954.11.16
申请号
US19520285564
申请日期
1952.05.01
申请人
EASTMAN KODAK COMPANY
发明人
LUBOSHEZ BENJAMIN E.
分类号
G03B21/62
主分类号
G03B21/62
代理机构
代理人
主权项
地址
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