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  • BS 679:1989

BS 679:1989

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

BSI Group, 06/30/1989

Publisher: BS

File Format: PDF

$125.00$251.46


Published:30/06/1989

Pages:14

File Size:1 file

Note:This product is unavailable in Ukraine, Russia, Belarus

Requirements for transmittance, optical quality, refractive properties, permanence and robustness. Gives guidance on selection and use.

All current amendments available at time of purchase are included with the purchase of this document.

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