DIN EN 171:2002由德国标准化学会 DE-DIN 发布于 2002-08。
DIN EN 171:2002 在中国标准分类中归属于: C73 劳动防护用品,在国际标准分类中归属于: 13.340.20 头部防护设备。
The document specifies the scale numbers and transmittance requirements for filters against infra-red radiation. The others applicable requirements for these types of filters and the frames/mountings to which they are intended to be fitted are given in EN 166. Guidance on the selection and use of these filters is given in annex B.
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