Aerospace series - Test methods - Titanium alloy wrought products - Determination of primary <alpha> content - Point count method and line intercept method; German and English version EN 3683:2007
航空航天系列.试验方法.钛合金锻造产品.一次度含量的测定.点计数法和线截距法;德语和英语版本EN 3683:2007