Explosion creation apparatus and machines, particularly cleaning machines and apparatus, particularly cleaning by means of explosion, particularly by means of cleaning lances
MachineryElectronic control devices for cleaning devices by means of explosion
Electrical and Scientific ApparatusProvision of cleaning services, particularly cleaning installations for vats, heat exchangers, high chimneys, combustion installations, industrial installations, containers, particularly by means of explosion operations or gas explosion operations
Building Construction and Repair