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发明名称
Optical film printing
摘要
申请公布号
US2209582(A)
申请公布日期
1940.07.30
申请号
US19360081881
申请日期
1936.05.26
申请人
RADIO CORPORATION OF AMERICA
发明人
RESS ERNEST
分类号
G03B27/475
主分类号
G03B27/475
代理机构
代理人
主权项
地址
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