EN 61212-1-2006 绝缘材料.电工用热固性树脂基工业硬质圆形层压管和棒.第1部分:定义,名称与一般要求 IEC 61212-1:2006
Insulating materials - Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes Part 1: Definitions, designations and general requirements