ISO 21924-4:2017現行
Protective equipment for martial arts Part 4: Additional requirements and test methods for head protectors
出版：International Organization for Standardization
專家解讀視頻
基本信息
標準編號： ISO 21924-4:2017
發布時間：2017/11/29 0:00:00
標準類別：Standard
出版單位：International Organization for Standardization
標準頁數：8
標準簡介
Describes 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.
