BS EN 169:1992被替代
Specification for filters for personal eye-protection equipment used in welding and similar operations
出版：British Standards Institution
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基本信息
标准编号： BS EN 169:1992
发布时间：1992/12/15 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：16
标准简介
Specifies the scale numbers and transmittance requirements for filters intended to protect operators performing work involving welding, brazewelding, arc gouging and plasmajet cutting.
标准备注
© British Standards Institution 2013
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