9 Scientific apparatus and instruments, optical, nautical and surveying components, namely, fiber-optic gyroscopes, fiber lasers for industrial use, scientific use and measuring purposes, single frequency fiber lasers for industrial use, scientific use and measuring purposes, optical reflectors in the nature of fiber gratings, gain flattening optical filters, scientific and technical apparatus in the nature of fiber-Bragg grating optical mirrors, electric fiber-optic coils, polarization-maintaining optical fibers, polarizing optical fibers, doped optical fibers, rare-earth doped optical fibers, double-clad optical fibers, photo-sensitive optical fibers, and telecommunication optical fibers; apparatus and instruments for submarine navigation, monitoring and positioning, especially positioning systems comprising GPS navigation and tracking devices for submarines; submarine signaling apparatus, namely, electronic control systems consisting of microprocessor-based hardware and software used to control and detect the presence of power failures and navigational damage of nautical vehicles; inertial navigation systems comprising motion detectors, computer hardware, and optical fibers; gyroscopes, gyrometers, accelerometers, cameras, signal lamps, optical lamps and lanterns; probe lines in the nature of electronic transmitters and receivers used with radar, sonar, and echo sounders; speed controllers for submarine vehicles; hydrometers, hygrometers, pressure gauges, micrometers, water level indicators, directional compasses, sextants, sonars, and radar apparatus; naval and spatial signaling apparatus, namely, signaling buoys; satellite navigation apparatus, namely, satellite aerials, satellite transmitters and receivers; satellites for scientific use; sounding apparatus and machines, namely, echo sounding machines; probes for scientific use, namely, ultrasound probes not for medical use, probes for testing integrated circuits; spectrograph apparatus, spectroscopes, spherometers; telecommunication transmitters; recorded computer programs used for submarine navigation, monitoring and positioning