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发明名称
Gerät mit mindestens einem optischen System von veränderlicher Brennweite.
摘要
申请公布号
CH241951(A)
申请公布日期
1946.04.15
申请号
CHD241951
申请日期
1943.06.10
申请人
NV. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN NV. PHILIPS'
分类号
G02C7/08
主分类号
G02C7/08
代理机构
代理人
主权项
地址
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