73636370
Dec 22, 1986
Nov 3, 1987
ELECTRIC POWER CABLE, ELECTRICAL CONTROL PANELS, TRANSFORMERS AND SUBMERSIBLE ELECTRIC SENSORS FOR DETERMINING DOWNHOLE PRESSURE AND TEMPERATURE READINGS
Electrical and Scientific ApparatusSERVICES IN MAINTENANCE INSTALLATION AND REPAIR OF SUBMERSIBLE PUMPS, MOTORS, EQUALIZERS AND ELECTRICAL CONTROL APPARATUS USED IN CONJUNCTION THEREWITH
Building Construction and Repair