Class 037
Construction and Repair Services
pressure sensors; pollutant sensors; optical sensors; piezoelectric sensors; water meters; densimeters; flowmeters; water level indicators; level indicators; pressure gauges; concentration meters; electric installations for the remote control of industrial operations; probes for scientific purposes; acidity analysers; liquid level sensors; electrical controllers
Class 040
Treatment & Processing of Materials Services
Letters are in blue and background is in white.
Class 042
Computer & Software Services & Scientific Services
pump repair; pump repair or maintenance; swimming pool cleaning services; swimming-pool maintenance; pump repair and maintenance