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发明名称
摘要
申请公布号
JPH03501301(A)
申请公布日期
1991.03.22
申请号
JP19890507495
申请日期
1989.06.27
申请人
发明人
分类号
G02B6/36;G02B6/00;G02B6/24;G02B6/38;G02B6/44
主分类号
G02B6/36
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代理人
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