9
Measuring, recording and monitoring apparatus, in particular heating cost allocation devices, calorimeters, cold water meters, hot water meters, domestic water meters, electronic equipment and systems comprising electronic equipment for automatic meter reading; data processing and storage programs, in particular for the storage of consumption data and environmental data on magnetic and optical data carriers, in particular on CDs
35
Reading and billing services for consumption measured with measuring, recording and monitoring apparatus, in particular heating cost allocation devices, calorimeters, cold water meters, hot water meters, domestic water meters, electronic equipment and systems comprising electronic equipment for automatic meter reading; billing of incidental rental costs, charge billing of all types
37
Installation of new and replacement measuring, recording and monitoring apparatus, in particular water meters and calorimeters and maintenance and repair of water meters and calorimeters, installation services
42
Rental of measuring, recording and monitoring apparatus; computer programming, in particular for the storage of consumption data and environmental data