35 Retail store, wholesale store, online store, online whole store, mail catalog and electronic catalog services in the fields of compressors, condensing installations, air condensers, pumps, controllers for compressors, controllers for condensing installations, controllers for air condensers, controllers for pumps, scientific apparatus and instruments, analytical and diagnostic apparatus, surveying apparatus and instruments, optical apparatus and instruments, weighing apparatus and instruments, measuring apparatus and instruments; Retail store, wholesale store, online store, online whole store, mail catalog and electronic catalog services in the fields of signalling apparatus and instruments, checking (supervision) apparatus and instruments, gas and air analysis apparatus, physical apparatus and instruments, apparatus for recording of images and data, apparatus for transmission of images and data; Retail store, wholesale store, online store, online whole store, mail catalog and electronic catalog services in the fields of apparatus for storing images and data, apparatus for processing images and data, apparatus for reproduction of images and data, calculating machines, computers, computer software, apparatus for heating, steam generating apparatus, heaters, refrigerating apparatus, drying apparatus, ventilating apparatus and apparatus for water supply purposes