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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).
Admixtures for concrete, mortar and grout. Sampling, conformity control and evaluation of conformity.
WITHDRAWN published on 7.3.2006
Selected format:Specification for vulcanized fibre (natural colour) rods and tubes for electrical purposes.
WITHDRAWN published on 15.3.1941
Selected format:Rules for the preparation of detail specifications for semiconductor devices of assessed quality: low current general purpose thyristors (up to 3 ampere rating).
WITHDRAWN published on 31.5.1973
Selected format:Optics and optical instruments. Contact lenses. Determination of strains for rigid contact lenses.
WITHDRAWN published on 15.4.1999
Selected format:Rules for the preparation of detail specifications for semiconductor devices of assessed quality: medium current general purpose thyristors (1-100 ampere rating).
WITHDRAWN published on 30.4.1973
Selected format:Optics and optical instruments. Contact lenses. Determination of inclusions and surface imperfections for rigid contact lenses.
WITHDRAWN published on 15.9.1998
Selected format:Optics and optical instruments. Test lenses for calibration of focimeters. Test lenses for focimeters used for measuring spectacle lenses.
WITHDRAWN published on 13.7.2005
Selected format:Rules for the preparation of detail specifications for semiconductor devices of assessed quality: high current general purpose thyristors (greater than 50 ampere rating).
WITHDRAWN published on 17.8.1972
Selected format:Optics and optical instruments. Test lenses for calibration of focimeters.
WITHDRAWN published on 15.12.1996
Selected format:Rules for the preparation of detail specifications for semiconductor devices of assessed quality: case rated bi-directional triode thyristors (triacs).
WITHDRAWN published on 1.12.1989
Selected format:Latest update: 2025-09-19 (Number of items: 2 235 321)
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