SPECIFICATION FOR PRESSBOARD AND PRESSPAPER FOR ELECTRICAL PURPOSES. PART 3: SPECIFICIATIONS FOR INDIVIDUAL MATERIALS. SHEET 1: REQUIREMENTS FOR PRESSBOARD, TYPES B.0.1, B.2.1, B.2.3, B.3.1, B.3.3, B.4.1, B.4.3, B.5.1, B.6.1 AND B.7.1.
电气用纸板和纸张规范 第3部分:单个材料的规范 活页1:B.0.1、B.2.1、B.2.3、B.3.1、B.3.3、B.4.1、B.4.3、B.5.1、B.6.1和B.7.1类纸板的要求