Oil drilling machines; oil refining machines; oil separators (machines); oil-well pumping machines; oil drilling tools; loading-unloading machines and apparatus; machine elements for lifting; machine tools; tools (parts of machines); downhole apparatus for use in the oil industry; downhole apparatus and tools for use in the oil industry for coring and parts and fittings therefor

Electric wires and cables; vibration meters; altimeters; accelerometers; accelerometers for oilfield excavating machines; flowmeters; precision measuring machines and instruments; interferometers; automatic adjusting/regulating machines and instruments; automatic liquid-level control machines and instruments; surveying machines and instruments; distance measuring machines or apparatus (range finders); clinometers; magnetic compasses (for surveying); gyrocompasses; magnetic gyrocompasses; power distribution or control machines and apparatus; rotary converters; phase modifiers; electric switches; electric relays; circuit breakers; electric connectors; electric circuit closers; magnetometers; electronic machines apparatus and their parts, namely, computer hardware, computer peripherals, handheld devices used for industrial robot programing and teaching pendant; magnetic prospecting machines; seismic exploration machines and apparatus; electronic circuits (not including those recorded with computer programs); integrated circuits; connectors; sensors; position detection sensors; sensors and sensor applied products for the oil drilling industry; motion sensors; gamma controllers; positioning sensors; electric or magnetic meters and testers, namely, circuit testers, antenna parameter measuring apparatus, detectors namely, metal detectors, electric meters, electromagnetic measuring detectors, magnetometers, frequency meters, resistance measuring instruments, voltmeters, wavemeters, ammeters, wattmeters, oscillators; integrated circuit modules; vibration sensors; magnetic sensors; angular velocity sensors; angle sensors; position sensors; gyroscopes; acceleration sensors; measuring or testing machines and instruments, namely, measuring apparatus for determining angular rate, measuring apparatus for determining acceleration, measuring apparatus for determining azimuth or direction and measuring apparatus for determining position