Publications of ISO/TC 161/WG 6
DIN EN ISO 23553-1 2022-12 Standards Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2022); German version EN ISO 23553-1:2022 More  Order from Beuth Verlag
ISO 23553-1 2022-02 Standards Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves More  Order from Beuth Verlag

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