标准摘要
[中文适用范围]： 本文件规定了徒手武术（如跆拳道、空手道、跆拳道和类似学科）中使用的不带面部防护的头部保护器的附加要求和测试方法。 它也适用于拳击中使用的头部保护器。 [外文原描述]： ISO 21924-4:2017 specifies additional requirements and test methods for head protectors without face protection used in unarmed martial arts, such as taekwondo, karate, kick-boxing and similar disciplines. ISO 21924-4:2017 also applies to head protectors used in boxing.
英文名称Protective equipment for martial arts — Part 4: Additional requirements and test methods for head protectors