China National Standards

China Soil particle size Industry Standards English PDF List

  •  China "Soil particle size" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HJ 1068-2019 Soil particle size determination pipette and hydrometer methods {译}
    土壤 粒度的测定 吸液管法和比重计法    		 China Environment Industry Standards
    Soil particle size
    English PDF

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