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经营范围
发明名称
Rail drilling machines and formers therefor
摘要
申请公布号
GB9705931(D0)
申请公布日期
1997.05.07
申请号
GB19970005931
申请日期
1997.03.21
申请人
ROTABROACH LIMITED
发明人
分类号
E01B31/06
主分类号
E01B31/06
代理机构
代理人
主权项
地址
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