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发明名称
FOCUS LIMITER
摘要
申请公布号
GB9301950(D0)
申请公布日期
1993.03.17
申请号
GB19930001950
申请日期
1993.02.01
申请人
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
发明人
分类号
G02B7/09;G02B7/32;G03B3/10;G03B13/34;G03B17/20
主分类号
G02B7/09
代理机构
代理人
主权项
地址
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