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发明名称
Perfectionnements apportés à l'utilisation de filtres polarisés en matière de lunettes
摘要
申请公布号
FR1346989(A)
申请公布日期
1963.12.27
申请号
FR19620900645
申请日期
1962.06.06
申请人
发明人
YARMONKINE VALENTIN DE
分类号
G02C7/12
主分类号
G02C7/12
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