Apparatus for measuring pressure; Differential pressure transmitters for measurement purposes; Gas pressure indicators; Indicators for the optical monitoring of pressure of gases; Indicators for the optical monitoring of pressure of liquids; Instruments for measuring pressure; Pressure indicators; Pressure measurement apparatus; Pressure measurement tools; Pressure measuring apparatus; Pressure meters; Pressure monitors, other than for medical use; Pressure recorders; Pressure sensitive apparatus; Pressure sensors; Pressure transducers; Pressure transmitters; Pressure-to-current converters

Chemical technological research; Research and development of new products for others; Research and development of products; Research into new products; Research relating to chemicals; Research relating to technology; Research to develop new products; Research, engineering and technical consultancy for industry; Scientific research into the development of new products; Scientific research relating to chemical products; Scientific research relating to chemistry; Technical research; Technological research