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EN 1717
Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow
DIN EN 1717
Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow; German version FprEN 1717:2024
DIN 1988-100
Codes of practice for drinking water installations - Part 100: Protection of drinking water, drinking water quality control