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Goods and Services: SAFETY VALVES, COMMUNICATION AND CONTROL ARRANGEMENTS FOR SAFETY VALVES MARKETED TO THE OIL A...
DEAD (Circa: 1986)

EM-SCSSV

Goods and Services: Magnetometers and Bore Hole Measurement Sensors for Use in Oil Well Drilling Industry
DEAD (Circa: 1983)

DEVELCO

Goods and Services: BORE HOLE MEASUREMENT INSTRUMENTS AND PARTS THEREFOR USED IN OIL AND GAS EXPLORATION AND PROD...
DEAD (Circa: 1983)

PROVEN OILWELL SERVICE INSTRUMENTS

Goods and Services: Electrical Frequency Discriminators, Isolation Signal Amplifiers, Time and Frequency Standard...
DEAD (Circa: 1979)

EMTEL