Specifies safety requirements for construction, performance, sizing and marking for swimming devices intended to assist users with movement through the water in the early stages of water awereness, whilst learning part of a swimming stroke. It also gives
SANS 53138-2-2009由ZA-SANS 发布于 2009-05-15。
SANS 53138-2-2009 在中国标准分类中归属于: Y55 体育设施及器械。
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