BS 679:1989
Superseded Standard
Historical

BS 679:1989

Specification for filters, cover lenses and backing lenses for use during welding and similar operations
No description.

Technical characteristics

Publisher British Standards Institution (BSI)
Publication Date 06/30/1989
Cancellation Date 09/15/1996
Page Count 14
Themes Marking
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ISBN ---
Weight (in grams) ---
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