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发明名称
OPTICAL SYSTEM OF WIDE-ANGLE PROJECTION LENS OF HIGH LENS SPEEDKTIVA VYSOKOJJ JARKOSTI
摘要
申请公布号
PL122009(B2)
申请公布日期
1982.06.30
申请号
PL19790219265
申请日期
1979.10.27
申请人
发明人
分类号
G02B;G02B11/30;G02B11/32;(IPC1-7):G02B11/32
主分类号
G02B
代理机构
代理人
主权项
地址
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