Aerospace series - Test method - Microstructure of ( + ß) titanium alloy wrought products - Part 004: Microstructure of sheet for superplastic forming; German and English version EN 3114-004:2006
航空航天系列试验方法（度+？）钛合金锻制品的微观结构第004部分:超塑性成形用薄板的微观结构；德语和英语版本EN 3114-004:2006