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经营范围
发明名称
An improved rail joint
摘要
申请公布号
GB661625(A)
申请公布日期
1951.11.21
申请号
GB19490016507
申请日期
1949.06.21
申请人
BUBAL A.G.
发明人
分类号
E01B11/12
主分类号
E01B11/12
代理机构
代理人
主权项
地址
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