美利体育登录入口官网:DIN EN ISO 23875/A1:2023-07
采矿 - 操作员外壳的空气质量控制系统 - 性能要求和测试方法 - 修正案 1 (ISO 23875:2021/Amd 1:2022)
Mining - Air quality control systems for operator enclosures - Performance requirements and test methods - Amendement 1 (ISO 23875:2021/Amd 1:2022); German and English version EN ISO 23875:2022/prA1:2023 / Note: Date of issue 2023-06-09*Intended as an ...