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DVGW G 640-1
Installation of fully packaged combined Head and Power (CHP) Units
Edition
2016-12
DVGW G 640-2
Installation of fully packaged Fuel Cell Gas Heat Appliances
Edition
2016-12
DVGW G 641
Aufstellung von Gasgeräten im Freien
Edition
2014-07
DVGW G 648
Qualifikation Requirements for DVGW-TRGI-Experts
Edition
2021-12
DVGW G 652
Erdgastankgeräte und Erdgastankgeräteanlagen
Edition
2011-08
DVGW G 655
Guideline H2-Ready Gas Utilisation
Edition
2025-01
DVGW G 657
Commissioning Process for Smart Gas Meters in Measuring Systems with Smart Meter Gateways
Edition
2025-03
DVGW G 670
Guideline for Quality Control of Incoming Goods of Gas Meters for Household and Light Industry
Edition
2025-07
DVGW G 676
Qualification Criteria for Maintenance Companies - Requirements and Testing
Edition
2021-11
DVGW G 680
Survey, Changeover and Adaption of Gas Appliances
Edition
2020-03
