China National Standards

China Gold jewellery alloys GB Standards List

  •  China "Gold jewellery alloys" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 9288-2006 Gold jewellery alloys - Determination of gold - Cupellation method (fire assay)
    金合金首饰 金含量的测定 灰吹法(火试金法)    		 China National Standards
    Gold jewellery alloys
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