DIN 33821:2009-03 Safety relief valves for gas transmission and distribution installations operating at working pressures up to 100 bar

标准编号：DIN 33821:2009-03

英文标题：Safety relief valves for gas transmission and distribution installations operating at working pressures up to 100 bar

德文标题：Sicherheitsabblaseventile für Gasversorgungsanlagen mit Betriebsdrücken bis 100 bar

发布日期：2009-03

标准预览图