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发明名称
Adjustable optical prism system for producing variation in size of images in projectors and cameras
摘要
申请公布号
US2816481(A)
申请公布日期
1957.12.17
申请号
US19550497885
申请日期
1955.03.30
申请人
FARLEY MARVIN P
发明人
FARLEY MARVIN P.
分类号
G02B13/10
主分类号
G02B13/10
代理机构
代理人
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