Resistance welding - Embossed projection welding - Projections for resistance welding (ISO/DIS 8167:2020); German and English version prEN ISO 8167:2020
Elastomeric seals - Material requirements for pipe joint seals used in water and drainage applications - Part 1: Vulcanized rubber; German version EN 681-1:1996 + A1:1998 + A2:2002 + AC:2002 + A3:2005— 26 стр.
