GSO ISO 20957-9:2013由GSO 发布于 2013-12-31。
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GSO ISO 20957-9:2013 的最新版本是哪一版?
最新版本是 GSO ISO 20957-9:2013 。
This Part of EN 957 specifies safety requirements for elliptical trainers also described as cross training machines in addition to the general safety requirements of EN 957-1 and should be read in conjunction with it.
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