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发明名称
摘要
申请公布号
JPH0430566(Y2)
申请公布日期
1992.07.23
申请号
JP19850100888U
申请日期
1985.07.01
申请人
发明人
分类号
G02B7/00;G02B7/18;G02B7/198;G11B7/08;(IPC1-7):G02B7/00
主分类号
G02B7/00
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