China National Standards

China Germanium renewable raw GB Standards List

  •  China "Germanium renewable raw" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 23523-2009 Determination of germanium content in Germanium renewable raw materials
    再生锗原料中锗的测定方法    		 China National Standards
    Germanium renewable raw
    English PDF
    GB/T 23522-2009 Germanium renewable raw materials
    再生锗原料    		 China National Standards
    Germanium renewable raw
    English PDF

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