Austenitic steel having improved strength properties at high temperature, process for its manufacturing and the fabrication of mechanical parts, more particularly of valves
摘要
申请公布号
EP0467756(B1)
申请公布日期
1995.12.27
申请号
EP19910401918
申请日期
1991.07.10
申请人
AUBERT & DUVAL;REGIE NATIONALE DES USINES RENAULT
发明人
BOURAT, JEAN, C/O ACIERIES AUBERT & DUVAL;LOUIS, GEORGES;ADRET, JEAN PIERRE