Cylindrical helical springs made from round wire and bar - Calculation and design - Part 1: Compression springs; German version EN 13906-1:2002, Corrigendum to DIN EN 13906-1:2002-07— 2 стр.
Cylindrical helical springs made from round wire and bar - Calculation and design - Part 1: Compression springs; German version EN 13906-1:2002— 35 стр.
Safety devices for gas pressure regulating stations and installations - Gas safety shut-off devices for inlet pressures up to 100 bar; German version EN 14382:2005— 84 стр.
Pressure regulators and associated safety devices for gas appliances - Part 2: Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar; German version EN 88-2:2007— 44 стр.
Cylindrical helical springs made from round wire and bar - Calculation and design - Part 1: Compression springs; German version EN 13906-1:2002— 35 стр.