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发明名称
Optical device for a bright, wide-angle projection lens
摘要
申请公布号
SE436805(B)
申请公布日期
1985.01.21
申请号
SE19790008649
申请日期
1979.10.18
申请人
MEOPTA NP
发明人
J * SLOVACKOVA
分类号
G02B9/62
主分类号
G02B9/62
代理机构
代理人
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