China National Standards

China Humic acids fulvic GB Standards List

  •  China "Humic acids fulvic" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 35112-2017 Humic-acids and fulvic-acids materials products for agricultural use—Classification
    农业用腐殖酸和黄腐酸原料制品 分类    		 China National Standards
    Humic acids fulvic
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