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经营范围
发明名称
Improvements in or relating to case hardening processes
摘要
申请公布号
GB522771(A)
申请公布日期
1940.06.26
申请号
GB19380036714
申请日期
1938.12.16
申请人
GORDON CHARLES SUMMERHILL;G.W.B. ELECTRIC FURNACES LIMITED
发明人
分类号
C23C8/66
主分类号
C23C8/66
代理机构
代理人
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地址
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