DIN 13200-2 - DRAFT
DIN 13200-2 - DRAFT Draft Document - Voice prostheses - Part 2: General requirements; Text in German and English
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2014
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2014