2020DIN EN 416:2020-04 Gas-fired overhead radiant tube heaters and radiant tube heater systems for non-domestic use - Safety and energy efficiency; German version EN 416:2019 / Note: This standard is part of the DVGW body of rules.
2020DIN EN 416:2020 Gas-fired overhead radiant tube heaters and radiant tube heater systems for non-domestic use - Safety and energy efficiency