Description: Repair, maintenance, installation, in particular overhaul and retrofitting of pumps, expanders, compressors, blowers, heat exchangers, gas liquefiers, gas filling installations, liquid filling systems and refueling stations, in particular in the factory, in the local workshop or onsite; consultation and consultancy services relating to the repair, maintenance, installation, in particular overhaul and retrofitting of the aforesaid apparatus, systems and installations, in particular including consultation and consultancy services relating to conducting remote repair, maintenance and installation services of the aforesaid apparatus, systems and installations; installation of data recording, data processing and data transfer devices for predictive or preventive maintenance of the aforesaid apparatus, systems or installations | Engineering of pumps, expanders, compressors, blowers, heat exchangers, gas liquefiers, gas filling installations, liquid filling systems and refueling stations; technical consultancy relating to the computer and scientific technology used in the operation, repair or maintenance of the aforesaid apparatus, systems and installations; recording data for others on optical, digital and magnetic media for electronic storage relating to the operation of the aforesaid apparatus, systems and installations; technical data analysis based on the aforesaid recorded data, in particular conducting of engineering analyses and assessments on the basis of the recorded data for improving the operation, repair and maintenance of the aforesaid apparatus, systems and installations; computer software design; rental of software
