9
Gas testing instruments in particular for gas odorization; Gasometers [measuring instruments]; Gas pressure indicators; Residual gas analyzers; Flue gas analyzers; Apparatus for analysing gases; Nanoparticle size analysers
42
Engineering services for the gas industry; Engineering services in the field of electrical power and natural gas production; Engineering services relating to gas transport and supply systems; Environmental testing of exhaust emissions; Gas exploration; Creation of control programs for automated measurement, assembly, adjustment, and related visualisation; Surveying and exploration services; Measurement services; Rental of measuring apparatus; Rental of meters for the recording of energy consumption; Land surveying; Technical measuring; Development of measuring and testing methods; Technical measuring and testing; Design of measurement systems; Services for monitoring industrial processes; Condition monitoring relating to fluids; Monitoring of contaminated land for gas; Monitoring of commercial and industrial sites for detection of volatile and non-volatile organic compounds; Environmental monitoring services; Monitoring of water quality; Testing services for alarm and monitoring systems; Water analysis; Water analysis; Analysis of stream water quality; Calibration services relating to analytical apparatus; Oil well logging and testing; Analytical and testing services for oil workings; Technological analysis relating to energy and power needs of others; Providing online information about industrial analysis and research services; Technological engineering analysis; Industrial testing of engineering works; Engineering services for the analysis of structures; Oil-field surveys; Analysis for oil-field exploitation; Chemical analysis; Chemical research and analysis services; Chemical analysis services for use in evaluation; Laboratory testing of materials; Environmental testing; Air flow component testing services