China National Standards

China Limit residual formaldehyde GB Standards List

  •  China "Limit residual formaldehyde" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 31040-2014 Limit of residual formaldehyde from the concrete admixtures
    混凝土外加剂中残留甲醛的限量    		 China National Standards
    Limit residual formaldehyde
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