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发明名称
摘要
申请公布号
JPS54165391(U)
申请公布日期
1979.11.20
申请号
JP19780063349U
申请日期
1978.05.13
申请人
发明人
分类号
B24B53/075;B23F23/12;B24B53/12;(IPC1-7):B23F23/12
主分类号
B24B53/075
代理机构
代理人
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