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经营范围
发明名称
Combined rail joints and shims
摘要
申请公布号
GB698665(A)
申请公布日期
1953.10.21
申请号
GB19520018494
申请日期
1952.07.22
申请人
POOR & COMPANY
发明人
LANSING HORACE LORD
分类号
E01B11/04
主分类号
E01B11/04
代理机构
代理人
主权项
地址
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