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发明名称
摘要
申请公布号
JPH0693049(B2)
申请公布日期
1994.11.16
申请号
JP19880043842
申请日期
1988.02.26
申请人
发明人
分类号
G02B6/36;G02B6/38;(IPC1-7):G02B6/38
主分类号
G02B6/36
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