Aerospace series; test methods for aluminium and aluminium alloy products; part 5: determination of cladding thickness and copper diffusion of clad semi-finished products; German version EN 2004-5:1993
航空航天系列;铝和铝合金产品的试验方法;第5部分:覆层厚度和覆层半成品铜扩散的测定;德文版EN 2004-5:1993