搜索结果: 1-1 共查到“工学 Safety Colors”相关记录1条 . 查询时间(0.046 秒)
national electrical manufacturers association Publishes ANSI Z535.1-2006, American National Standard for Safety Colors
Safety Colors engineering safety alerting system
2007/3/8
21 Feb 2007，(ROSSLYN, VA)—The National Electrical Manufacturers Association (NEMA) has published ANSI Z535.1-2006, American National Standard for Safety Colors. This standard sets forth the technical ...