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发明名称
Rostfreies nicht-magnetisches Stahl mit hohem Mangan- und Chromgehalt, mit hohe Widerstandsfähigkeit gegen Spannungskorrosion und verwendbar für Bohrausrüstungen sowie Verfahren zur Herstellung von Stangen aus diesen Stahl
摘要
申请公布号
DE69225065(T2)
申请公布日期
1998.11.19
申请号
DE19926025065T
申请日期
1992.07.07
申请人
AUBERT ET DUVAL S.A., NEUILLY-SUR-SEINE, FR
发明人
BOURRAT, JEAN, F-63780 ST-GEORGES-DE-MONS, FR
分类号
C22C38/00;C22C38/38;E21B17/16;(IPC1-7):C22C38/38
主分类号
C22C38/00
代理机构
代理人
主权项
地址
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