U.S. federal trademark · Serial No. 73658648 · Reg. No. 350886
INSTRUMENTS FOR THE DETERMINATION OF THE PINPOINT POSITION IN DEEP-DRILLING, INSTRUMENTS FOR DEFINING THE PATH OF A WELLBORE, INSTRUMENTS FOR MEASURING THE DEPTH, THE INCLINATION AND THE AZIMUT OF A BORE, ACCELEROMETER, INSTRUMENTS FOR INERTIAL NAVIGATION, GYROSTABILIZED PLATFORMS, RANDOM ACCESS MEMORY AND NICKEL/CADMIUM BATTERY STACK
EQUIPMENT FOR MONITORING AND MEASURING OF DEEP-DRILLING, INSTRUMENTS FOR MEASURING THE DRILLING DIRECTION
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