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发明名称
Improvements in and relating to methods of hardening the surface of a metal
摘要
申请公布号
GB462374(A)
申请公布日期
1937.03.01
申请号
GB19350015789
申请日期
1935.05.30
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
C21D1/40
主分类号
C21D1/40
代理机构
代理人
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地址
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