China National Standards

China Gems Nomenclature GB Standards List

  •  China "Gems Nomenclature " GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 16552-2017 Gems—Nomenclature
    珠宝玉石 名称    		 China National Standards
    Gems Nomenclature
    English PDF
    GB/T 16552-2010 Gems - Nomenclature
    珠宝玉石 名称    		 China National Standards
    Gems Nomenclature
    English PDF

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