06/30144679 DC被替代
IEC 60641-3-1. Specification for pressboard and presspaper for electrical purposes. Part 3-1. Sepecifications for individual materials. Sheet 1. Requirements for pressboard, types B.0.1, B.0.3, B.2.1, B.2.3, B.3.1, B.3.3, B.4.1, B.4.3, B.5.1, B.5.3 and B.6.1
出版：British Standards Institution
专家解读视频
