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发明名称
Image forming projection with schmidt-type optical system
摘要
申请公布号
US2470198(A)
申请公布日期
1949.05.17
申请号
US19460699729
申请日期
1946.09.27
申请人
PHILCO CORPORATION
发明人
TRAUB ERNEST H.
分类号
G02B17/08
主分类号
G02B17/08
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