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经营范围
发明名称
Improvements in and relating to composite railway rails
摘要
申请公布号
GB351990(A)
申请公布日期
1931.06.29
申请号
GB19300009973
申请日期
1930.03.28
申请人
HEINRICH KURZ
发明人
分类号
E01B5/08
主分类号
E01B5/08
代理机构
代理人
主权项
地址
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