diffusers and air conveyancing units for use in water aeration systems

diffusers and air conveyancing equipment for use in aeration systems

Simulators for operation of aircraft; simulators for operation of weapons; simulators for the steering and control of vehicles; remote controls for Remotely Piloted Aircraft Systems (RPAS); software controllers for Remotely Piloted Aircarft Systems (RPAS)

MICROWAVE COMPONENTS AND DIODES-NAMELY, AMPLIFIERS, CRYSTAL VIDEO UNITS, OSCILLATORS, DETECTORS, MIXERS, YIGS, POLAR DISCRIMINATORS, FERRITE UNITE, SEMICONDUCTORS, DIODES AND MICROWAVE UNITS AND PARTS THEREOF

Vacuum cleaners for domestic and industrial purposes; pneumatic installations for the transport of mail and other goods, namely, air suction machines

Vacuum cleaning machines and apparatus, electric machines and apparatus for cleaning and polishing; vacuum cleaner hoses; vacuum cleaner bags; brushes for vacuum cleaners; central vacuum cleaning installations; built-in central vacuum installations and fittings thereof included in this class