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发明名称
摘要
申请公布号
JP2529950(Y2)
申请公布日期
1997.03.26
申请号
JP19900083639U
申请日期
1990.08.09
申请人
发明人
分类号
B26D7/08;B23D47/00;B23D63/12;B24B3/46;B26D7/12;H01L21/304;(IPC1-7):B26D7/12
主分类号
B26D7/08
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代理人
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