11 Apparatus for the chemical industry or the process technology, namely, columns for separation, purification, rectification, condensation, vaporization, absorption, desorption, quenching, washing, scrubbing, distillation column internals, distillation apparatus not for scientific purposes, heat exchangers not being machine parts, quenches for cooling gases, absorbers for absorbing corrosive media, desorbers for desorbing corrosive media, demisters for the separation of smallest particles/aerosols in gases, scrubbers being exhaust gas cleaning scrubbers, washers for cleaning gases and liquids, rupture disks being graphite rupture discs for process equipment, pipes for heat exchangers not being machine parts, blocks for heat exchangers not being machine parts; apparatus for the chemical industry, namely thinner or concentration units made from graphite for sulphuric acid, phosporic acid, hydrofluoric acid or hydrochloric acid; apparatus for the chemical treatment of corrosive chemicals as sulphuric acid, phosphoric acid, hydrofluoric acid and hydrochloric acid, namely, columns, quenches, absorbers, desorbers, demisters, scrubbers, heat exchanger for chemical processing; chemical installations for the synthesis of hydrochloric acid, namely, a HCl burner formed of a heat exchanger, columns, quenchers, reactors and vessels and HCl synthesis plant.
Trademark: 79364937
