I.S. EN ISO 20957-9:2016&A1:2019現行
Stationary training equipment - Part 9: Elliptical trainers, additional specific safety requirements and test methods - Amendment 1 (ISO 20957-9:2016/Amd 1:2019)
出版：National Standards Authority of Ireland
專家解讀視頻
This part of ISO 20957 specifies additional safety requirements for elliptical trainers in addition to the general safety requirements of ISO 20957-1.
ISO 20957-9 : 2016 - Identical
EN ISO 20957-9 : 2016 - Identical
EN ISO 20957-9:2016/A1:2019 - Identical
ISO 20957-9:2016/Amd 1:2019 - Identical
