China National Standards

China Regulation mass measurement GB Standards List

  •  China "Regulation mass measurement" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 36128-2018 Regulation of mass measurement permissible errors for jewelry and precious metal products
    珠宝贵金属产品质量测量允差的规定    		 China National Standards
    Regulation mass measurement
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