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发明名称
摘要
申请公布号
JPS63162305(U)
申请公布日期
1988.10.24
申请号
JP19870055314U
申请日期
1987.04.11
申请人
发明人
分类号
G02B6/38;G02B6/40;(IPC1-7):G02B6/40
主分类号
G02B6/38
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