China National Standards

China superphosphate GB Standards List

  •  China "superphosphate" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 21634-2020 Triple superphosphate
    重过磷酸钙    		 China National Standards
    superphosphate
    English PDF
    GB/T 20413-2017 Single superphosphate
    过磷酸钙    		 China National Standards
    superphosphate
    English PDF

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