GB/T 40002-2021.Oral hard tissue safety evaluation of toothpastes. 5.2.2磨抛设备 具有连续粒度变化的碳化硅研磨盘(最细可达P12...

GB/T 40002-2021.Oral hard tissue safety evaluation of toothpastes. 1范围 GB/T 40002描述了牙膏对口腔硬组织的安全评价的方法...