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经营范围
发明名称
Improvements in or relating to the annealing of corrosion-resistant chromium steels
摘要
申请公布号
GB477041(A)
申请公布日期
1937.12.20
申请号
GB19360017124
申请日期
1936.06.19
申请人
SUPERIOR STEEL CORPORATION
发明人
分类号
C21D1/70
主分类号
C21D1/70
代理机构
代理人
主权项
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