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经营范围
发明名称
Martensitic stainless steel for use in oil wells
摘要
申请公布号
EP0565117(B1)
申请公布日期
1997.07.23
申请号
EP19930105868
申请日期
1993.04.08
申请人
SUMITOMO METAL INDUSTRIES, LTD.
发明人
KONDO, KUNIO;KUSHIDA, TAKAHIRO;UEDA, MASAKATSU
分类号
C22C38/44;C22C38/00;C22C38/50;(IPC1-7):C22C38/44
主分类号
C22C38/44
代理机构
代理人
主权项
地址
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