DIN 33961-2 [ Withdrawn ]
DIN 33961-2 Fitness club - Requirements for equipment and operation - Part 2: Cardiotraining with stationary training equipment
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2013
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2013