US Trademark Classification US06 Metal goods 轧制钢材（006-523） Class 06 轧制钢材 006-523 Chinese 轧制钢材 English Rolled steels Spanish Aceros laminados Term ID 006-523 Class 06 Type Goods Status Active · added, not since modified (A) Effective date 2004-07-20 Version 08-2002