2021BS EN 13126-2:2021 Building hardware. Hardware for windows and door height windows. Requirements and test methods. Window fastener handles
2011BS EN 13126-2:2011 Building hardware. Requirements and test methods for windows and doors height windows. Window fastener handles
2004BS DD CEN/TS 13126-2:2004 Building hardware, fittings for windows and door height windows - Requirements and test methods - Part 2:Casement fastener handles