Insulating materials - Industrial, rigid, moulded, laminated tubes and rods of rectangular and hexagonal cross-section based on thermosetting resins for electrical purposes -- Part 1: Definitions, designations and general requirements
绝缘材料.电气用基于热固性树脂的矩形和六角形横截面工业刚性模制层压管和棒.第1部分:定义、名称和一般要求