Light transmitting flat multiwall polycarbonate (PC) sheets for internal and external use in roofs, walls and ceilings. Requirements and test methods— 70 стр.
Light transmitting flat multiwall polycarbonate (PC) sheets for internal and external use in roofs, walls and ceilings. Requirements and test methods— 74 стр.
BS EN 12566-3. Small wastewater treatment systems for up to 50 PT. Part 3. Packaged and/or site assembled domestic wastewater treatment plants— 88 стр.