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发明名称
摘要
申请公布号
JPS6071552(U)
申请公布日期
1985.05.20
申请号
JP19830162098U
申请日期
1983.10.21
申请人
发明人
分类号
B24B23/00;(IPC1-7):B24B23/00
主分类号
B24B23/00
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代理人
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