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发明名称
摘要
申请公布号
JPS5647521(Y2)
申请公布日期
1981.11.06
申请号
JP19730103946U
申请日期
1973.09.06
申请人
发明人
分类号
B23F23/02;B25H7/00;G01B5/00;G01B5/16;G01B5/20;G01B5/25;G01B21/20;(IPC1-7):G01B5/00
主分类号
B23F23/02
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代理人
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