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prEN 12186 rev
Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements
FprEN 12480
Gas meters - Rotary displacement gas meters
EN 15502-2-1/FprA1
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
DIN EN 15502-2-2
Gas-fired central heating boilers - Part 2-2: Specific standard for type B1 appliances; German version EN 15502-2-2:2024
EN 15502-2-1/prA1
Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW
