China National Standards

China Bauxite sand flour GB Standards List

  •  China "Bauxite sand flour" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 12215-2019 Bauxite sand and flour for investment casting
    熔模铸造用铝矾土砂、粉    		 China National Standards
    Bauxite sand flour
    English PDF
    GB/T 12215-1990 Bauxite sand and flour for investment casting
    熔模铸造用铝矾土砂、粉    		 China National Standards
    Bauxite sand flour
    English PDF

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