BS EN 60893-3-7:2004+A1:2009
绝缘材料.电工用热固性树脂工业硬质层压片.专用材料规格.对聚酰亚胺树脂基刚性层压片的要求
Insulating materials. Industrial rigid laminated sheets based on thermosetting resins for electrical purposes. Specifications for individual materials. Requirements for rigid laminated sheets based on polyimide resins