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发明名称
摘要
申请公布号
JPH0354839(Y2)
申请公布日期
1991.12.04
申请号
JP19850118695U
申请日期
1985.08.01
申请人
发明人
分类号
B24B27/033;B24B9/00;(IPC1-7):B24B9/00
主分类号
B24B27/033
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