2009DIN EN 506:2009-07 Roofing products of metal sheet - Specification for self-supporting products of copper or zinc sheet; German version EN 506:2008
2009DIN EN 506:2009 Roofing products of metal sheet - Specification for self-supporting products of copper or zinc sheet; English version of DIN EN 506:2009-07
2000DIN EN 506:2000 Roofing products from metal sheet — Specification for self-supporting products of copper or zinc sheet