发明授权
- 专利标题: Method of reducing or avoiding surface defects in a specific steel resistant to concentrated nitric acid
- 专利标题(中): 减少或避免表面缺陷在特定耐钢中的浓缩硝酸的方法
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申请号: EP81102442.1申请日: 1981-03-31
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公开(公告)号: EP0037959B1公开(公告)日: 1984-10-24
- 发明人: Ito, Naoya , Yoshida, Takeshi , Aoki, Masahiro , Okubo, Masao , Miki, Masayoshi
- 申请人: SUMITOMO CHEMICAL COMPANY, LIMITED , NIPPON STAINLESS STEEL CO., LTD.
- 申请人地址: Kitahama 4-chome 5-33 Chuo-ku Osaka 541 JP
- 专利权人: SUMITOMO CHEMICAL COMPANY, LIMITED,NIPPON STAINLESS STEEL CO., LTD.
- 当前专利权人: SUMITOMO CHEMICAL COMPANY, LIMITED,NIPPON STAINLESS STEEL CO., LTD.
- 当前专利权人地址: Kitahama 4-chome 5-33 Chuo-ku Osaka 541 JP
- 代理机构: VOSSIUS & PARTNER
- 优先权: JP43792/80 19800402
- 主分类号: C22C38/48
- IPC分类号: C22C38/48 ; C22C38/50 ; C22C38/58
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