Building, installation, maintenance and repair of the following apparatus and instruments: apparatus for recording sound, equipment for gathering and recording seismic data, hydrophones, geophones, accelerometers and oil-field / gas-field sensors and indicators, oil and gas exploration and exploitation apparatus and instruments, optical apparatus and instruments, pressure, temperature and flow monitoring apparatus and instruments, seismic and geophysical apparatus and instruments, surveying and measuring apparatus and instruments, testing apparatus not for medical purposes, all the aforesaid in the field of oil and gas exploration and production
Ur mikrobiologisk synvinkel skall produkten, då den är upplöst, användas omedelbarttmClass tmClass