OVE/ONORM EN 60641-3-1:2009现行
Pressboard And Presspaper For Electrical Purposes - Part 3: Specifications 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：Osterreichisches Normungsinstitut
专家解读视频
