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发明名称
Method of railroad repair
摘要
申请公布号
GB0407513(D0)
申请公布日期
2004.05.05
申请号
GB20040007513
申请日期
2004.04.02
申请人
VALLEY, GREG A;ROVNYAK, MARK E
发明人
分类号
B23K20/12;E01B29/44
主分类号
B23K20/12
代理机构
代理人
主权项
地址
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