Ionization apparatus for scientific or laboratory use; Ion beam supply apparatus; Ion gauge tubes; Ion implanters; Ionization apparatus not for the treatment of air or water
Electrical and Scientific ApparatusIonization apparatus for the treatment of liquids and gases for industrial, commercial or agricultural use; Ionisers for air treatment; Ionising air guns for the treatment of air; Ionising guns for the treatment of air; Ionization apparatus for the treatment of air or water; Ionization instruments for the treatment of air; Ionizers for the treatment of air
Environmental Control Apparatus