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经营范围
发明名称
Improvements relating to the manufacture of railway and tramway rails
摘要
申请公布号
GB324686(A)
申请公布日期
1930.01.29
申请号
GB19280028019
申请日期
1928.09.29
申请人
CHRISTER PETER SANDBERG;OSCAR FRIDOLF ALEXANDER SANDBERG;NILS PERCY PATRICK SANDBERG
发明人
分类号
C21D1/84;C21D9/04
主分类号
C21D1/84
代理机构
代理人
主权项
地址
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