29600 ⎘
Separating dispersed particles from gases, air or vapours by liquid as separating agent; Spray cleaning with nozzles using mechanical vibrations
Water Negative Ion Generating Device and Control Circuit Arrangement Thereof
#2Method and apparatus for cleaning an air flow from particles
#3Devices and methods for removing nano-particulates from gases
#4Air purification system and method using an ultrasonic wave
#5Air purification system and method using an ultrasonic wave
#6Nanoparticle filtration
#7Air cleaner