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BSI BS 679:1989

Specification for filters, cover lenses and backing lenses for use during welding and similar operations
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BSI BS 679:1989

Specification for filters, cover lenses and backing lenses for use during welding and similar operations

PUBLISH DATE 1989
BSI BS 679:1989
WITHDRAWN
Requirements for transmittance, optical quality, refractive properties, permanence and robustness. Gives guidance on selection and use.
SDO BSI: British Standards Institution
Document Number 679
Publication Date June 30, 1989
Language en - English
Page Count
Revision Level
Supercedes
Committee PH/2
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