9
Equipment and apparatus for solar installations, in particular absorbers, collectors, solar modules, solar cells, solar generators, current inverters, storage batteries, power supply apparatus, electronic control and regulation equipment; data processing apparatus, data counters, data memories, data processing programs; installations constructed using the aforesaid equipment, apparatus and programs
11
Equipment and apparatus for solar installations, in particular expansion tanks, heat accumulators and heat exchangers
37
On-site and remote diagnosis and on-site and remote maintenance of domestic installations and equipment, in particular solar installations and equipment
38
Provision of purchasing facilities on the Internet
42
Engineering drawing; development and design of solar installations; research in the field of solar engineering; computer programming; providing and transmitting information, text, drawings and images in connection with cost/price analyses and professional business consultancy in the field of energy production, domestic, solar and heat engineering; providing of design assistance in the design of domestic installations, in particular solar installations, with and without using Internet communications facilities