NF S52-329-5*NF EN ISO 20957-5:2017 Stationary training equipment - Part 5 : stationary exercise bicycles and upper body crank training equipment, additional specific safety requirements and test methods
2017NF S52-329-5*NF EN ISO 20957-5:2017 Stationary training equipment - Part 5 : stationary exercise bicycles and upper body crank training equipment, additional specific safety requirements and test methods