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ISO 4850:1979

Personal eye-protectors for welding and related techniques -- Filters -- Utilisation and transmittance requirements

Üldinfo
Kehtetu alates 02.03.2021
Tegevusala (ICS grupid)
13.340.20 Pea kaitsevahendid
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
02.03.2021
Põhitekst
01.07.1979
Põhitekst
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.
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