GB/T 39993-2021.Determination of permitted preservatives dimethyl oxazolidine,7-ethylbicyclooxazolid...
GB国家标准
GB国家标准
GB国家标准
GB/T 39993-2021 化妆品中限用防腐剂二甲基噁唑烷、7-乙基双环噁唑烷和5-溴-5-硝基-1,3-二噁烷的测定
GB/T 39993-2021.Determination of permitted preservatives dimethyl oxazolidine,7-ethylbicyclooxazolid...