Ultraviolet irradiators; Apparatus for sterilisation; Apparatus for sterilising; Sterilisation autoclaves; Sterilisation autoclaves for medical use; Sterilisers; Sterilisers for dental instruments; Sterilisers for medical instruments; Sterilisers for surgical instruments; Sterilising apparatus; Sterilising apparatus for medical use; Sterilising apparatus for use in the pharmaceutical industry; Sterilising appliances; Apparatus for disinfecting; Apparatus for disinfection; Apparatus for the disinfection of medical materials; Apparatus for the disinfection of surgical materials; Disinfectant apparatus; Disinfectant apparatus for medical purposes; Disinfecting apparatus; Disinfection apparatus