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发明名称
Improvements in case-hardening iron and steel and in salt baths therefor
摘要
申请公布号
GB486232(A)
申请公布日期
1938.06.01
申请号
GB19370006373
申请日期
1937.03.03
申请人
E. F. HOUGHTON & CO.
发明人
分类号
C23C8/46
主分类号
C23C8/46
代理机构
代理人
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