| 申请日期 | 2026-01-13 | 申请号 | EP97901834 |
| 公开(公告)号 | EP902103B1 | 公开(公告)日 | 2004-12-29 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | NIPPON STEEL CORPORATION | ||
| 简介 | Surface treated metal materials with corrosion-resistant coating layers composed mainly of oxyacid compounds or rare earth elements (lanthanum, cerium, etc.), oxyacids or mixtures thereof, and surface treatment agents therefor. | ||
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