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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).
Optics and photonics. Test method for refractive index of optical glasses. Minimum deviation method.
Standard published on 3.7.2020
Selected format:Optics and photonics. Test method for refractive index of optical glasses. V-block refractometer method.
Standard published on 21.3.2022
Selected format:Hard coal and coke. Guidance to the inspection of mechanical sampling systems.
Standard published on 29.10.2019
Selected format:Gearbox flanges. Specification for dimensions for type A gearbox flanges for commercial vehicles and buses.
Standard published on 29.1.1988
Selected format:Gearbox flanges. Specification for dimensions for type S gearbox flanges for commercial vehicles and buses.
Standard published on 29.1.1988
Selected format:Pulp. Determination of cellulose nanocrystal sulfur and sulfate half-ester content.
Standard published on 14.1.2019
Selected format:Tourism and related services. Sustainability management system for accommodation establishments. Requirements.
Standard published on 8.3.2024
Selected format:Solid biofuels. Determination of ash melting behaviour.
Standard published on 21.2.2020
Selected format:Tourism and related services. Yacht harbours. Essential requirements for luxury harbours.
Standard published on 11.3.2020
Selected format:Manual methods for the measurement of a groundwater level in a well.
Standard published on 31.1.2006
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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