China National Standards

China Refractory raw material Industry Standards English PDF List

  •  China "Refractory raw material" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    YB/T 4895-2021 Refractory raw material energy consumption limit per unit product {译}
    耐火原料单位产品能源消耗限额    		 China Metallurgy Industry Standards
    Refractory raw material
    English PDF

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