Specification for welding filters with switchable luminous transmittance and welding filters with dual luminous transmittance (includes Amendment A1:1998); German version EN 379:1994 + A1:1998
German title
Anforderungen an Schweißerschutzfilter mit umschaltbarem Lichttransmissionsgrad und Schweißerschutzfilter mit zwei Lichttransmissionsgraden (enthält Änderung A1:1998); Deutsche Fassung EN 379:1994 + A1:1998
Publication date
1998-07
Original language
German
Pages
8
Publication date
1998-07
Original language
German
Pages
8
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