头部保护器|沙特标准|SASO ISO 21924- 4:2020
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头部保护器|沙特标准|SASOISO21924-4:2020
Protective equipment for martialarts--Part4:Additional requirements and test methods for head protectors
武术防护装备第4部分：头部保护器的附加要求和试验方法
Technical Regulation for Personal Protective Equipment and Clothing