Refractory shapes for steelworks. Bricks for vaults of Refractory shapes for steelworks. Bricks for vaults of open-hearth furnaces. open-hearth furnaces.
国外标准现行
标准号:UNI 3792-1969
标准名称: 冶金用耐火产品.Martin高炉棚料砖
英文名称:Refractory shapes for steelworks. Bricks for vaults of Refractory shapes for steelworks. Bricks for vaults of open-hearth furnaces. open-hearth furnaces.