Surgical, medical, dental hospital and veterinary instruments and apparatus, particularly apparatus for use in assistance of respiration and resuscitation and for the administration of anaesthetics, diagnostic and analytic test equipment, instruments for sensing-reporting-recording and monitoring vital signs and body functions, aspirators, therapeutic appliances; and parts and fittings for such goods including filters, heaters, coolers, ventilators, lamp units, valves, compressors, gauges and control apparatus, tables, cases and other accessories,