Fan
Fluid suction nozzle and fluid-treating apparatus
Focussed ventilation procedure for a work spot and apparatus use
Installation of air curtains
Method and apparatus for lifting gas streams to a great elevatio
Method and apparatus for performing confinement by thermal...
Method and device for protecting a work surface
Open patient care unit
Portable doorway bug deflector
Process and apparatus for the dynamic separation of two zones
Sliding door
Sliding door device
Slot outlet arrangement for air screen installations
Storage body with air cleaning function
Vortex air barrier
Zone-forming apparatus