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ČSN is a protected designation of Czech national technical standards.
Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D
WITHDRAWN published on 1.8.2004
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, type B
WITHDRAWN published on 1.7.2004
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type D
Standard published on 1.1.2026
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with submerged feed incorporating air inlet plus overflow - Family A, type C
WITHDRAWN published on 1.7.2004
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
Standard published on 1.10.2023
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
WITHDRAWN published on 1.1.2009
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, type B
WITHDRAWN published on 1.3.2005
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
WITHDRAWN published on 1.3.2019
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
WITHDRAWN published on 1.8.2023
Selected format:Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B
WITHDRAWN published on 1.9.2019
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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