2006DIN EN 681-3:2006-11 Elastomeric seals - Material requirements for pipe joint seals used in water and drainage applications - Part 3: Cellular materials of vulcanized rubber; German version EN 681-3:2000 + A1:2002 + A2:2005
2006DIN EN 681-3:2006 Elastomeric seals - Material requirements for pipe joint seals used in water and drainage applications - Part 3: Cellular materials of vulcanized rubber (includes Amendments A1:2002 + A2:2005); English version of DIN EN 681-3:2006-11