DVGW W 421 : 2009
Current
Current
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| DocumentType |
Standard
|
| PublisherName |
Wirtschafts und Verlagsgesellschaft Gas und Wasser
|
| Status |
Current
|
| DIN 1988-200:2012-05 | Codes of practice for drinking water installations - Part 200: Installation Type A (closed system) - Planning, components, apparatus, materials; DVGW code of practice |
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