門窗熱性能-熱傳透性熱箱測定法-第2 部:屋頂窗及其他突出窗 Thermal performance of windows and doors – Determination of thermal transmittance by hot-box method – Part 2: Roof windows and other projecting windows
Thermal performance of windows and doors – Determination of thermal transmittance by hot-box method – Part 2: Roof windows and other projecting windows