EN 351-1:1995 Durability of Wood and Wood-Based Products - Preservative-Treated Solid Wood - Part 1: Classification of Preservative Penetration and Retention
2023EN 351-1:2023 Durability of wood and wood-based products - Preservative-treated solid wood - Part 1: Classification of preservative penetration and retention
2007EN 351-1:2007 Durability of wood and wood-based products - Preservative-treated solid wood - Part 1: Classification of preservative penetration and retention
1995EN 351-1:1995 Durability of Wood and Wood-Based Products - Preservative-Treated Solid Wood - Part 1: Classification of Preservative Penetration and Retention