DIN EN 4700-006:2011 航空航天系列.钢和耐热合金.锻造产品.技术规范.第006部分:试制和成品锻件.德文和英文版本EN 4700-006-2010
Aerospace series - Steel and heat resisting alloys - Wrought products - Technical specification - Part 006: Pre-production and production forgings; German and English version EN 4700-006:2010