79373721
Jun 14, 2023
Clean chamber doors of metal; clean chamber ceilings of metal; clean chamber walls of metal
Metal GoodsMeasuring, detecting and monitoring instruments, devices, and regulators for clean rooms, not scientific instruments, in particular scanning probe microscopes; solar energy collectors for electricity generation
Electrical and Scientific ApparatusHeating boilers for oil, gas and solid fuels; storage water heaters; heat exchangers; electric water heaters; ventilating installations and apparatus; solar collectors for heating; clean rooms; clean chamber lighting installations essentially consisting of LED luminaires
Environmental Control ApparatusInstallation, repair and maintenance of heating boilers, storage water heaters, heat exchangers, electric water heaters, ventilating installations and apparatus, solar installations and clean chambers
Building Construction and Repair