[Class : 9] Echo Sounders; Echo Sounding Apparatus; Navigational Apparatus And Instruments For Watercraft And Underwater Vehicles; Sonar Apparatus; Ultrasonic Measuring Apparatus; Navigation Echo Sounders For Depth; Doppler Sonar Apparatus; Doppler Velocity Measuring Apparatus; Range Measuring Apparatus; Ultrasonic Depth Finders; Ultrasonic Sensors; Ultrasonic Sonars; Software For Displaying And Analysing Data Transmitted By Echo Sounders, Navigational Equipment And Instruments, Sonar Equipment And Ultrasonic Measuring Instruments; Sonar Doppler Logs; Software For Use With Doppler Sonar And For Processing And Displaying Data Obtained From Sonar; Equipment For Measuring Motion By The Doppler Sonography Method.