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经营范围
发明名称
Improvements in or relating to railway rail fastenings
摘要
申请公布号
GB844720(A)
申请公布日期
1960.08.17
申请号
GB19580020405
申请日期
1958.06.25
申请人
SKANSKA CEMENTAKTIEBOLAGET
发明人
分类号
E01B9/30;E01B9/64
主分类号
E01B9/30
代理机构
代理人
主权项
地址
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