DIN EN 20-1:1992-09 Wood preservatives; determination of the effectiveness against Lyctus brunneus (Stephens); part 1: application by surface treatment (laboratory method); german version EN 20-1:1992 / Note: To be replaced by DIN EN 20-1 (2022-10).
2022DIN EN 20-1:2022-10 Wood preservatives - Determination of the protective effectiveness against Lyctus Brunneus (Stephens) - Part 1: Application by surface treatment (laboratory method); German and English version prEN 20-1:2022 / Note: Date of issue 2022-09-23*Intended as...
2022DIN EN 20-1:2022 Wood preservatives - Determination of the protective effectiveness against Lyctus Brunneus (Stephens) - Part 1: Application by surface treatment (laboratory method); German and English version prEN 20-1:2022
1992DIN EN 20-1:1992-09 Wood preservatives; determination of the effectiveness against Lyctus brunneus (Stephens); part 1: application by surface treatment (laboratory method); german version EN 20-1:1992 / Note: To be replaced by DIN EN 20-1 (2022-10).
1992DIN EN 20-1:1992 Wood preservatives; determination of the effectiveness against Lyctus brunneus (Stephens); part 1: application by surface treatment (laboratory method); german version EN 20-1:1992