Thanyalak Taengchum. ม.ป.ป. A combined light pipe and solar-heated stack for lighting and ventilation. , ม.ป.พ.;
Thanyalak Taengchum. (ม.ป.ป.) A combined light pipe and solar-heated stack for lighting and ventilation . ม.ป.พ./ม.ป.ท.
Thanyalak Taengchum. A combined light pipe and solar-heated stack for lighting and ventilation. . ม.ป.ท.:ม.ป.พ., ม.ป.ป.
Thanyalak Taengchum. (ม.ป.ป.) A combined light pipe and solar-heated stack for lighting and ventilation . ม.ป.พ./ม.ป.ท.