ISO 20957-5-2005

chankc 发表于 2013-11-17 19:25:01

ISO 20957-5-2005
Stationary training equipment - Part 5: Pedal crank training equipment, additional specific safety requirements and test methods

admin 发表于 2013-11-17 19:25:23

谢谢您的分享，金币已奖励！

lufenzhong 发表于 2016-9-19 15:40:20

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