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DVGW GW 331
Welding supervisor for weldings at PE-pipelines for gas and water supply - Training and examination schedule
Edition
1994-10
OENORM EN 13480-4
Metallic industrial piping - Part 4: Fabrication and installation
Edition
2017-09-01
OENORM EN 13480-4/A2
Metallic industrial piping - Part 4: Fabrication and installation (Amendment)
Edition
2024-06-15
OENORM H 5155
Thermal insulation of pipelines and components in building service installations
Edition
2024-06-15
OENORM EN ISO 10380
Pipework - Corrugated metal hoses and hose assemblies (ISO 10380:2012)
Edition
2013-03-01
OENORM H 5155
Thermal insulation of pipelines and components in building service installations
Edition
2013-09-01
OENORM EN ISO 15465
Pipework - Stripwound metal hoses and hose assemblies (ISO 15465:2004)
Edition
2004-07-01
OENORM EN 13480-5/A1
Metallic industrial piping - Part 5: Inspection and testing (Amendment)
Edition
2019-08-15
OENORM EN 13480-3/A2
Metallic industrial piping - Part 3: Design and calculation (Amendment)
Edition
2020-11-15
OENORM EN 13480-3/A3
Metallic industrial piping - Part 3: Design and calculation (Amendment)
Edition
2020-11-15