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发明名称
OPTICAL SYSTEMS,TELESCOPES AND BINOCULARS
摘要
申请公布号
GB9020902(D0)
申请公布日期
1990.11.07
申请号
GB19900020902
申请日期
1990.09.26
申请人
OPTICS AND VISION LIMITED
发明人
分类号
G02B13/18;G02B17/00;G02B17/08;G02B23/02
主分类号
G02B13/18
代理机构
代理人
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