74009502
Dec 11, 1989
Jul 16, 1991
DRILLING RIGS AND PARTS THEREOF, FLOATING AND NON-FLOATING PLATFORMS FOR OIL AND GAS RIGS, AND PARTS THEREOF
MachineryCOMPUTERIZED OR ELECTRONIC CONTROL UNITS FOR USE IN MONITORING AND CONTROLLING THE OPERATION OF GAS AND OIL DRILLING RIGS
Electrical and Scientific ApparatusENGINEERING, CONSTRUCTION CONSULTING SERVICES, INSTALLATION CONSULTING SERVICES ALL IN THE FIELD OF OIL AND GAS DRILLING
Computer and Scientific