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BS 679

1989 Edition, June 30, 1989

Complete Document

Filters, Cover Lenses and Backing Lenses for Use During Welding and Similar Operations

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Additional Comments:
W/D S/S BY BS EN 166 THRU 169
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Product Details:

  • Revision: 1989 Edition, June 30, 1989
  • Published Date: January 1989
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 14
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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