LPG equipment and accessories - Transportable refillable welded steel cylinders for LPG - Design and construction; German version EN 1442:2006+A1:2008— 39 стр.
Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-1:2004 + Amd 1:2008 + Amd 2:2012); German version EN ISO 15614-1:2004 + A1:2008 + A2:2012— 38 стр.
