Aerospace series - Test method - Wrought heat resisting alloys Semi-finished products and parts - Conditions for macrographic and micrographic examination - Atlas of structures and defects; German and English version EN 2950:2008
航空航天系列.试验方法.锻造耐热合金半成品和零件.宏观和微观检验条件.结构和缺陷图谱;德语和英语版本EN 2950:2008