ANTI-DUST JET

Blowing machines for the compression, exhaustion and transport of gases; air suction machines; air brushes for applying color; spray guns for paint; valves as machine components; pressure reducers as parts of machines; pressure regulators being parts of machines; machine couplings other than for land vehicles; dust removing installations for cleaning purposes, namely, dust separators; electric apparatus for cleaning, namely, electric machines for cleaning industrial machines; and cleaning apparatus for industrial purposes, namely, cleaning machines to clean industrial machines; and cleaning apparatus for industrial purposes, namely, cleaning machines to clean industrial machines

Respirators for filtering air; breathing apparatus, except for artificial respiration, namely, rebreathers; respiratory masks, other than for artificial respiration, for non-medical purposes; filters for respiratory masks; gas pressure indicators; ion beam supply apparatus, namely, particle accelerators; ionizing guns, not for the treatment of air; and ionization apparatus for use in the surface treatment of materials, namely, machine components

Electric machines and apparatus for cleaning air