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BSi – The company, BSI British Standards, is a national standards body of the United Kingdom (NBS) and it was actually the very first one in the world. It represents national and social interests of Great Britain in all European and international standardization organizations and in the development of business information of British institutions of all sizes and sectors. BSI British Standards cooperates with manufacturing and service industries, various companies, the government and with consumers as well in order to facilitate the production of British, European and international standards. A part of BSI Group, BSI British Standards, works closely with the government of the United Kingdom, especially in the Department for Innovations, Universities and Skills (DIUS).
Ophthalmic optics. Visual acuity testing. Standard optotype and its presentation.
WITHDRAWN published on 31.7.2009
Selected format:Tracked Changes. Ophthalmic optics. Visual acuity testing. Standard and clinical optotypes and their presentation.
WITHDRAWN published on 26.2.2020
Selected format:Visual acuity test types. Method for correlating optotypes used for non-clinical purposes.
WITHDRAWN published on 15.7.1996
Selected format:Optics and optical instruments. Focimeters.
WITHDRAWN published on 15.12.1996
Selected format:Workplace first aid kits. Specification for the contents of workplace first aid kits.
WITHDRAWN published on 30.6.2011
Selected format:Optics and optical instruments. Contact lenses. Determination of the spectral and luminous transmittance.
WITHDRAWN published on 15.3.1997
Selected format:Aluminium-copper-magnesium alloy wires for solid, cold forged rivets (not exceeding 3/8 inch diameter).
WITHDRAWN published on 2.9.1961
Selected format:Glossary of terms used in shipbuilding: list of equivalent terms for ship screw propellers.
WITHDRAWN published on 30.4.1979
Selected format:Tables approximate comparison of hardness scales.
WITHDRAWN published on 21.8.1939
Selected format:Tables for comparison of hardness scales.
WITHDRAWN published on 13.3.1967
Selected format:Latest update: 2025-12-16 (Number of items: 2 252 193)
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