China National Standards

China metal’s GB Standards List

  •  China "metal’s" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 14265-1993 General rule of chemical analysis for hydrogen，oxygen，nitrogen，carbon and sulfur in metal’s materials
    金属材料中氢、氧、氮、碳和硫分析方法通则    		 China National Standards
    metal’s
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