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NF EN 60641-3-1, C26-131-3-1 (11/2008)

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