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发明名称
IMPROVEMENTS RELATING TO OPTICAL MAGNIFYING DEVICES
摘要
申请公布号
GB2210177(B)
申请公布日期
1991.06.26
申请号
GB19880022345
申请日期
1988.09.22
申请人
ANTHONY CHARLES * LEWIS;MICHAEL ALAN * GREENBERG
发明人
ANTHONY CHARLES * LEWIS;MICHAEL ALAN * GREENBERG;WILLIAM JOHN * PHILLIPS
分类号
G02B25/00
主分类号
G02B25/00
代理机构
代理人
主权项
地址
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