ISO 4850:1979
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ISO 4850:1979
10833

Estado : Retirada

Esta norma ha sido revisada por ISO 16321-2:2021

Resumen

Specifies the numbering of and transmittance requirements for filters intended to protect operatives performing manual work involving welding, braze welding, arc gouging and thermal cutting. It also gives guidance on the selection and use of these filters. Optical test methods are the subject of ISO 4854. Non-optical test methods are the subject of ISO 4855.

Informaciones generales

  •  : Retirada
     : 1979-07
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 5
  • ISO/TC 94/SC 6
    13.340.20 
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