焊接和相关技术用个人护目镜.滤光器|沙特标准|SASO-ISO-4850
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焊接和相关技术用个人护目镜.滤光器|沙特标准|SASO-ISO-4850
Personal eye-protectors for welding and related techniques-filters-utilization and transmittance requirements
焊接和相关技术用个人护目镜.滤光器.使用和透射率要求
Technical Regulation for Personal Protective Equipment and Clothing