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发明名称
摘要
申请公布号
JPH0310482(Y2)
申请公布日期
1991.03.15
申请号
JP19840128865U
申请日期
1984.08.25
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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