Design and research services in relation to high pressure air generators, pneumatic actuators, air condensers, air suction machines, condensing installations, condensers, compressed air machines, air compressors, gas compressors, gas generators, filters, filtering machines, separators for the cleaning and purification of gases, refrigeration and cooling apparatus, refrigerators, air conditioners, gas liquefying apparatus, gas purifying apparatus, drying apparatus and installations, condensers, air cooling apparatus, regulating and safety accessories for gas apparatus; information and advisory services, namely, providing information and advisory services regarding the design and research of all of the aforementioned goods in person, by mail, telephone or global network electronic mail; consultancy services regarding the design and research of all of the aforementioned goods in person, by mail, telephone or global network electronic mail