GOST R 59591-2021 Tactile and audio devices for information provision of visual disabled people. Sound pointers. Sound beacons. Tactile-touch terminals. Development, production, conditions of use
2021GOST R 59591-2021 Tactile and audio devices for information provision of visual disabled people. Sound pointers. Sound beacons. Tactile-touch terminals. Development, production, conditions of use