73679989
Aug 24, 1987
Aug 8, 1989
OILFIELD EQUIPMENT, NAMELY DOWNHOLE DRILLING MOTORS (BOTH POSITIVE DISPLACEMENT AND TURBINE), ADJUSTABLE HOUSINGS, DRIVE SHAFTS, DOWNHOLE MEASUREMENT WELL DRILLING TOOLS, SPEED GOVERNORS FOR TURBINE MOTORS, SPEED REDUCTION UNITS AND BEARING ASSEMBLIES FOR DOWNHOLE MOTORS
Machinery