ONORM M 7510-2-1996 Checking of heating Systems - Type of fuel: fuel oils or fuel gases - Part 2: Guiding values and working sheets for fireplaces up to 2 MW nominal thermal Output
1996ONORM M 7510-2-1996 Checking of heating Systems - Type of fuel: fuel oils or fuel gases - Part 2: Guiding values and working sheets for fireplaces up to 2 MW nominal thermal Output