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发明名称
NITRIDING STEEL
摘要
申请公布号
PL142289(B2)
申请公布日期
1987.10.31
申请号
PL19850255689
申请日期
1985.10.07
申请人
发明人
分类号
C22C;C22C38/18;(IPC1-7):C22C38/18
主分类号
C22C
代理机构
代理人
主权项
地址
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