DS/EN 379+A1-2009 标准详情
- 标准号:DS/EN 379+A1-2009
- 中文标题:个人眼睛保护 - 自动焊接过滤器
- 英文标题:Personal eye-protection - Automatic welding filters
- 标准类别:丹麦DANSK
- 发布日期:2009-06-15
This European standard specifies requirements for automatic welding filters which switch their luminous transmittance to a lower predetermined value when a welding arc is ignited (referred to as welding filters with switchable scale numbers). It also
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