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发明名称
Method of producing a composite carbide and nitride case on steel articles
摘要
申请公布号
US2151190(A)
申请公布日期
1939.03.21
申请号
US19380248753
申请日期
1938.12.31
申请人
SURFACE COMBUSTION CORPORATION
发明人
COWAN ROYSEL J.
分类号
C23C8/32
主分类号
C23C8/32
代理机构
代理人
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