Registration number (WIID)Project No.TitleStatus
66083prEN 12380 revAir admittance valves for drainage systems - Requirements, tests methods and evaluation of conformityIzstrādē
28152prEN 12380 revAir admittance valves for drainage systemsIzstrādē
7234prEN 12380-1Ventilation pipework - Air admittance valve system (AVS) - Part 1: RequirementsIzstrādē
7260prEN 12255-9Waste water treatment plants - Part 9: Odour control and ventilationIzstrādē
66911prEN 12255-7 revWastewater treatment plants - Part 7: Biological fixed-film reactorsIzstrādē
72612prEN 12255-2Wastewater treatment plants - Part 2: Storm water management systemsAptauja slēgta
66900prEN 12255-1 revWastewater treatment plants - Part 1: General construction principlesIzstrādē
36241prEN 12255-16 revWastewater treatment plants - Part 16: Physical (mechanical) filtrationIzstrādē
69385prEN 12255-15 revWastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsIzstrādē
7249prEN 12255-11Waste water treatment plants - Part 11: General dataIzstrādē
Displaying 61-70 of 566 results.