GB/T 8923.2-2008
涂覆涂料前钢材表面处理 表面清洁度的目视评定 第2部分: 已涂覆过的钢材表面局部清除原有涂层后的处理等级
Preparation of steel substrates before application of paints and related products.Visual assessment of surface cleanliness.Part 2:Preparation grades of previously coated steel substrates after localized removal of previous coatings
GBT8923.2-2008, GB8923.2-2008