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Petroleum, natural gas, oil and associated products
Petroleum derived fuels and combustible liquids
Measuring and control equipment
Measuring instruments, heat flow
Gauges, pneumatic, surface or volume measuring
Length, surface and volume measuring instruments
Radiation counters, liquid flow type
Pulse counters and recorders, electrical
Instruments for measuring quantities
Counters, printout
Mechanical counters and tachometers, industrial
Analysis, equipments
Sound-measuring equipment
Counters
Measurement & meter
Electrical testing & measuring equipment
Petroleum and associated products
Tanks, measuring devices
