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发明名称
Système de prismes achromatiques à distance focale variable pour modifier, allonger et comprimer des images
摘要
申请公布号
FR1222433(A)
申请公布日期
1960.06.09
申请号
FR19580763194
申请日期
1958.04.15
申请人
发明人
SANDBERG HILMAR
分类号
G02B13/10
主分类号
G02B13/10
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