元素 | Free Download
Hollow brick - resistance 0.20
Hollow brick - resistance 0.20 (元素 | Free Download)
Hollow brick - thickness 80 mm according to UNI/TR 11552 with resistance 0.20 m2K/W
Hollow brick - thickness 80 mm according to UNI/TR 11552 with resistance 0.20 m2K/W