42 Scientific and technological services, namely, technology research in the field of endoscopic instruments; research and related design services, namely, scientific research and development, medical research; industrial analysis and research services, namely, industrial research in the field of endoscopy; Design and development of computer hardware and software; rental, leasing and leasing of property in connection with the provision of the aforesaid services, namely, rental of computer hardware and software, rental of apparatus and instruments in the field of endoscopy; advice and information relating to the aforesaid services, namely, providing scientific information in the field of medical research and endoscopic technology; all the aforesaid in the medical, veterinary, endoscopic, dental, and hospital fields, excluding the aesthetic field