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发明名称
摘要
申请公布号
JPH0112243(Y2)
申请公布日期
1989.04.11
申请号
JP19860109849U
申请日期
1986.07.17
申请人
发明人
分类号
G02B27/22;(IPC1-7):G02B27/22
主分类号
G02B27/22
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