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发明名称
摘要
申请公布号
JP2699242(B2)
申请公布日期
1998.01.19
申请号
JP19920157403
申请日期
1992.05.26
申请人
发明人
分类号
G02B6/24;G02B6/38;G02B6/40;(IPC1-7):G02B6/38
主分类号
G02B6/24
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