BS EN 60641-3-2:2008 Pressboard and presspaper for electrical purposes - Specifications for individual materials - Requirements for presspaper, types P.2.1, P.4.1, P.4.2, P.4.3, and P.6.1
2008BS EN 60641-3-2:2008 Pressboard and presspaper for electrical purposes - Specifications for individual materials - Requirements for presspaper, types P.2.1, P.4.1, P.4.2, P.4.3, and P.6.1
1995BS EN 60641-3-2:1995 Specification for pressboard and presspaper for electrical purposes - Specifications for individual materials - Requirements for presspaper, types P.2.1, P.4.1, P.4.2, P.4.3, P.6.1 and P.7.1