China National Standards

China Qualified judgement criteria GB Standards List

  •  China "Qualified judgement criteria" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 33541-2017 Qualified judgement criteria of sampling inspection for gems and precious metal products
    珠宝玉石及贵金属产品抽样检验合格判定准则    		 China National Standards
    Qualified judgement criteria
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