GB/T 13531. 4-1995.Generel methods on determination of cosmetics-Determination of relative density. ...
GB国家标准
GB国家标准
GB国家标准
GB/T 13531. 4-2013 化妆品通用检验方法相对密 度的测定
GB/T 13531. 4-2013.General methods on determination of cosmetics-Determination of relative density. ...