DIN 65252-2012 航空航天系列.开孔和闭孔弹性泡沫塑料.半成品和模塑件.技术规格.德文和英文文本.不适用于新设计
Aerospace series - Cellular elastomeric materials, open and closed cells - Semi-finished products and moulded parts - Technical specification; Text in German and English; Inactive for new design