GB/T 23612-2017铝合金建筑型材阳极氧化与阳极氧化电泳涂漆工艺技术规范国家标准
英文:Technical specification for process of anodizing and electrodeposition painting on aluminium alloy extruded profiles ...
英文:Technical specification for process of anodizing and electrodeposition painting on aluminium alloy extruded profiles ...