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发明名称
LENS SYSTEM HAVING BULLSEYE FILTER
摘要
申请公布号
GB2111236(B)
申请公布日期
1985.08.07
申请号
GB19810036602
申请日期
1981.12.04
申请人
* ELLIOTT BROS
发明人
RUSSELL * KING
分类号
G02B5/00;G02B27/00;G02B27/01;(IPC1-7):G02B27/00
主分类号
G02B5/00
代理机构
代理人
主权项
地址
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