EN ISO 8501-1-2007 制备钢基板之前涂料及相关产品的应用,视觉评估表面清洁.第1部分:生锈的成绩和准备等级的裸钢基体和钢后整体移除之前
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel subtrates after overall removal of previous