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发明名称
摘要
申请公布号
JP2506758(Y2)
申请公布日期
1996.08.14
申请号
JP19900022146U
申请日期
1990.03.07
申请人
发明人
分类号
B25F1/02;B25B23/157;B25F5/00;(IPC1-7):B25F5/00
主分类号
B25F1/02
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代理人
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