Gas welding equipment - Blowpipes for gas welding, heating and cutting - Specifications and tests (ISO 5172:2006/DAM 1:2011); German version EN ISO 5172:2006/prA1:2011
Gas welding equipment - Blowpipes for gas welding, heating and cutting - Specifications and tests (ISO 5172:2006 + Amd 1:2012); German version EN ISO 5172:2006 + A1:2012— 58 стр.