专利检索 ap:("Hyundai Steel Company") AND inv:"KIM, Hyo-Sub" 第 1 页

1.

发明授权
METHOD FOR MANUFACTURING AUTOMOBILE PART HAVING DIFFERENT LOCAL STRENGTHS USING HEAT-TREATMENT HARDENING STEEL PLATE 有权

公开(公告)号：EP2636759B1

公开(公告)日：2019-06-05

申请号：EP10855727.3

申请日：2010-11-08

申请人： Hyundai Steel Company

发明人： NAM, Seung-Man , CHAE, Su-Hong , KWON, Min-Suck , KIM, Hyo-Sub , IM, Hee-Joong , LEE, Bo-Ryong , MOON, Man-Been

IPC分类号： C21D8/00 , B21D22/02 , B23K26/20 , C22C38/00 , C21D1/673 , B21D53/88 , B23K101/18