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发明名称
摘要
申请公布号
JPH07117622(B2)
申请公布日期
1995.12.18
申请号
JP19870043251
申请日期
1987.02.27
申请人
发明人
分类号
G02B6/42;(IPC1-7):G02B6/42
主分类号
G02B6/42
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代理人
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