Flanges and their joints - Part 4: Qualification of personnel competency in the assembly of the bolted connections of critical service pressurized systems; German version EN 1591-4:2013— 20 стр.
Quality management systems - Requirements (ISO 9001:2008); Trilingual version EN ISO 9001:2008, Corrigendum to DIN EN ISO 9001:2008-12; Trilingual version EN ISO 9001:2008/AC:2009— 20 стр.
Flanges and their joints - Design rules for gasketed circular flange connections - Part 4: Qualification of personnel competency in the assembly of bolted joints fitted to equipment subject to the Pressure Equipment Directive; German version CEN/TS 1591-4:2007
Flanges and their joints - Design rules for gasketed circular flange connections - Part 4: Qualification of personnel competency in the assembly of bolted joints fitted to equipment subject to the Pressure Equipment Directive; German version prEN 1591-4:2011
Ships and marine technology - Design, manufacture and testing of pipeline systems for gaseous marine fuels - Piepeline systems for liquefied or compressed natural gas— 22 стр.