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发明名称
摘要
申请公布号
JPH0345204(Y2)
申请公布日期
1991.09.25
申请号
JP19820202617U
申请日期
1982.12.27
申请人
发明人
分类号
G02B6/24;G02B6/255;G02B6/36;G02B6/44;(IPC1-7):G02B6/36
主分类号
G02B6/24
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