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发明名称
摘要
申请公布号
JP4884582(B2)
申请公布日期
2012.02.29
申请号
JP20000290652
申请日期
2000.09.25
申请人
发明人
分类号
B23D21/00;F16L55/00;B23C3/34;B23C5/10;F16L27/04;F16L27/12
主分类号
B23D21/00
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代理人
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