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经营范围
发明名称
Railway rail joint
摘要
申请公布号
GB580356(A)
申请公布日期
1946.09.04
申请号
GB19450003743
申请日期
1945.02.14
申请人
THALEA S.A.
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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