BLOWER UNIT OF TWO LAYER TYPE AIR CONDITIONER FOR VEHICLE
BLOWER UNIT OF TWO LAYER TYPE AIR CONDITIONER FOR VEHICLE
Inflation and deflation device for stratospheric aerostat
HEATING, VENTILATING AND AIR CONDITIONING SYSTEM INCLUDING FLUID COMPRESSOR
HEATING VENTILATION AND AIR CONDITIONING SYSTEM COMPRISING A FLUID COMPRESSOR
IMPELLERMASCHINE UND VERFAHREN ZUM BETREIBEN EINER IMPELLERMASCHINE
Buoyant raft type solar energy water lifting device for aquaculture tail water treatment