Glass in building - Determination of thermal transmittance (U value) - Calculation method (including Amendment A1:2000); German version EN 673:1997 + A1:2000— 10 стр.
Glass in building - Determination of thermal transmittance (U value) - Calculation method (including Amendment A1:2000); German version EN 673:1997 + A1:2000— 10 стр.