DIN EN 12327:2012-10 Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements; German version EN 12327:2012
2012DIN EN 12327:2012-10 Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements; German version EN 12327:2012
2012DIN EN 12327:2012 Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements; German version EN 12327:2012