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发明名称
摘要
申请公布号
JPS63107528(U)
申请公布日期
1988.07.11
申请号
JP19860202991U
申请日期
1986.12.26
申请人
发明人
分类号
B23F21/10;(IPC1-7):B23F21/10
主分类号
B23F21/10
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代理人
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