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发明名称
Image projection optical system with cylindrical screen means
摘要
申请公布号
US2481615(A)
申请公布日期
1949.09.13
申请号
US19450601111
申请日期
1945.06.23
申请人
PHILCO CORPORATION
发明人
RHEAMS CHARLES J. B.
分类号
H04N5/74
主分类号
H04N5/74
代理机构
代理人
主权项
地址
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