42 Design services in the field of medical, surgical, diagnostic and imaging devices; design of scientific, medical, technical and chemical products, apparatus and equipment; design of medical diagnostic products, apparatus and equipment; medical research services; laboratory research and analysis in connection with the development of medical diagnostic devices, apparatus and instruments, namely, imaging apparatus, MRI diagnostic, ultrasound diagnostic, ultrasonic diagnostic, x-ray diagnostic apparatus, optical coherence tomography diagnostic and optical computed tomography diagnostic; scientific, medical, technical research in connection with the development of medical diagnostic devices, apparatus and instruments, imaging devices, imaging apparatus AND imaging instruments, namely, MRI diagnostic, ultrasound diagnostic, ultrasonic diagnosis, x-ray diagnostic, optical coherence tomography diagnostic and optical computed tomography diagnostic; chemical research and analysis; technical analysis of medical diagnostic devices, apparatus and instruments, imaging devices, imaging apparatus and imaging instruments