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发明名称
Method and apparatus for hardening serrated articles
摘要
申请公布号
GB714489(A)
申请公布日期
1954.09.01
申请号
GB19500029326
申请日期
1950.11.30
申请人
DELAPENA & SON LIMITED
发明人
JONES DAVID GRIFFITHS
分类号
C21D9/32;H05B6/02
主分类号
C21D9/32
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