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发明名称
Improvements in or relating to hardening alloy steels
摘要
申请公布号
GB345659(A)
申请公布日期
1931.03.19
申请号
GB19290038973
申请日期
1929.12.19
申请人
HUBERT SUTTON;ARTHUR JOHN SIDERY;BENJAMIN EVANS
发明人
分类号
C23C12/00
主分类号
C23C12/00
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代理人
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