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发明名称
NUT
摘要
申请公布号
JPS59151659(U)
申请公布日期
1984.10.11
申请号
JP19830045747U
申请日期
1983.03.31
申请人
发明人
分类号
B24B39/04;(IPC1-7):B24B39/04
主分类号
B24B39/04
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代理人
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