标题: BS EN 12373-4-1999 [打印本页] 作者: liuxilin1215 时间: 2014-1-17 07:41:06 标题: BS EN 12373-4-1999
BS EN 12373-4-1999 Aluminium and aluminium alloys. Anodizing. Estimation of loss of absorptive power of anodic oxidation coatings after sealing by dye spot test with prior acid treatment