CEN/TC 164
| Reģistrācijas numurs (WIID) | Projekta Nr. | Nosaukums | Statuss |
|---|---|---|---|
| 83741 | EN 1717:2025/prA1 | Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow | Izstrādē |
| 83753 | EN 1717:2025+A1 | Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow | Izstrādē |
| 83888 | prEN 16409 rev | Chemicals used for treatment of water intended for human consumption - Dolomitic lime | Izstrādē |
| 83889 | prEN 16004 rev | Chemicals used for treatment of water intended for human consumption - Magnesium oxide | Izstrādē |
| 83898 | prEN 16003 rev | Chemicals used for treatment of water intended for human consumption - Calcium magnesium carbonate | Izstrādē |
| 83901 | prEN 12518 rev | Chemicals used for treatment of water intended for human consumption - High-calcium lime | Izstrādē |
Attēlo no 1321. līdz 1326. no pavisam 1326 ieraksta(-iem).