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发明名称
摘要
申请公布号
JP4083146(B2)
申请公布日期
2008.04.30
申请号
JP20040196645
申请日期
2004.07.02
申请人
发明人
分类号
B21D39/10;F16L55/18
主分类号
B21D39/10
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