Rehabilitation telephonies means of communication for disable persons with violations of hearing or eyesight. Classification. Basic parameters
NORMA vydána dne 1.7.2001
Designation standards: GOST R 51646-2000
Note: NEPLATNÁ
Publication date standards: 1.7.2001
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST