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发明名称
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摘要
申请公布号
GB2225444(A)
申请公布日期
1990.05.30
申请号
GB19890024149
申请日期
1989.10.27
申请人
* ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
发明人
KATSUHIKO * NOZAKI;TETSUYA * ABE
分类号
G02B15/173;G02B23/14;G03B13/06;G03B13/12;G03B15/05
主分类号
G02B15/173
代理机构
代理人
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