本标准为ISO 21924-4-2017，标准的英文名称为Protective equipment for martial arts -- Part 4: Additional requirements and test methods for head protectors，本标准在2017-11-01发布，在2017-11-01开始实施。
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.
本标准文件共有16页。 ISO 21924-4-2017 Protective equipment for martial arts -- Part 4_ Additional requirements and test methods for hea.pdf(354.63 KB)
