SN EN 140-1999 标准详情
- 标准号:SN EN 140-1999
- 中文标题:
- 英文标题:Respiratory Protective Devices - Half Masks And Quarter Masks - Requirements, Testing, Marking
- 标准类别:瑞士标准化协会SNV
- 发布日期:
Defines minimum requirements for half masks and quarter masks to be used as part of respiratory protective devices, excluding escape and diving apparatus. Includes laboratory and practical performance tests for assessing compliance with the requireme
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