[冶金行业标准] YB/T 5134-1993 手表用不锈钢扁钢
[冶金行业标准] YB/T 5129-1993 氧化钼块
[冶金行业标准] YB/T 5125-1993 含钒生铁
[冶金行业标准] YB/T 5111-1993 盛钢桶用粘土衬砖
[冶金行业标准] YB/T 5106-1993 粘土质耐火砖
[冶金行业标准] YB/T 5101-1993 琴钢丝
[冶金行业标准] YB/T 5100-1993 琴钢丝用盘条
[冶金行业标准] YB/T 5096-1993 1,8-萘二甲酸酐
[冶金行业标准] YB/T 5090-1993 不锈钢热轧钢带
[冶金行业标准] YB/T 5079-1993 粗酚
[冶金行业标准] YB/T 5075-1993 煤焦油
[冶金行业标准] YB/T 5070-1993 α－甲基吡啶
[冶金行业标准] YB/T 5069-1993 纯吡啶
[冶金行业标准] YB/T 5068-1993 自行车用热轧钢带
[冶金行业标准] YB/T 5067-1993 自行车用冷轧钢带
[冶金行业标准] YB/T 5059-1993 低碳钢冷轧钢带
[冶金行业标准] YB/T 5055-1993 起重机钢轨
[冶金行业标准] YB/T 5050-1993 高炉用粘土砖
[冶金行业标准] YB/T 5036-1993 磷铁
[冶金行业标准] YB/T 5022-1993 粗苯
[冶金行业标准] YB/T 5021-1993 盛钢桶内铸钢用高铝质耐火砖
[冶金行业标准] YB/T 5020-1993 盛钢桶用高铝质衬砖
[冶金行业标准] YB/T 5015-1993 高炉用高铝砖
[冶金行业标准] YB/T 5010-1993 平炉用镁铝砖
[冶金行业标准] YB/T 5009-1993 镁质耐火泥