METHOD OF LOCALIZING AND DETERMINING THE NATURE AND DIMENSIONS OF DAMAGE TO HULL SKIN
RADIO-HYDROACOUSTIC BUOY ON MICROCONTROLLERS WITH BASE DATA OF REFERENCE SIGNALS
RADIO-HYDROACOUSTIC BUOY ON MICROCONTROLLER WITH ACOUSTIC UNDERWATER COMMUNICATION UNIT
NAVIGATIONAL RADIOOPTICAL ANGLE REFLECTOR OF DIRECTIONAL ACTION WITH LIGHT-REFLECTING FACES
METHOD FOR ESTIMATING CHARACTERISTIC OF LIQUEFIED NATURAL GAS LOAD
SUBMARINE HYDRO ACOUSTIC SUITE NOISE DIRECTION-FINDING SYSTEM