DIN EN 60371-3-1-2007 以云母为基材的绝缘材料规范.第3部分:各型材料规范.第1节:换向器隔板和材料
Specification for insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 1: Commutator separators and materials (IEC 60371-3-1:2006); German version EN 60371-3-1:2006