NA 119
DIN Standards Committee Water Practice
DIN 4943 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DVGW W 135 | 2018-12 | Renovation and Abandonment of Wells, Monitoring-Wells and Boreholes More |
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| Document number | Edition | Title |
|---|---|---|
| DVGW W 135 | 2018-12 | Renovation and Abandonment of Wells, Monitoring-Wells and Boreholes More |