The utility model relates to a casementdoor opening and closing machine.
本实用新型涉及一种平开门开关门机。
2
Casement Windows swing open (like door) to provide superior ventilation, while the large glass areas provide unobstructed views and bathe your rooms in a flood of natural light.
外平开窗象门一样，具有良好的通风特点，同时大玻璃窗扇具有良好的采光性能。
3
Building hardware, fittings for Windows and door height Windows - requirements and test methods - casement fastener handles.