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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).
Fans. Determination of fan sound power levels under standardized laboratory conditions. Reverberant room method.
Standard published on 31.10.2025
Selected format:Tracked Changes. Fans. Determination of fan sound power levels under standardized laboratory conditions. Reverberant room method.
Standard published on 7.11.2025
Selected format:Fans. Determination of fan sound power levels under standardized laboratory conditions. Enveloping surface methods.
Standard published on 24.3.2026
Selected format:Tracked Changes. Fans. Determination of fan sound power levels under standardized laboratory conditions. Enveloping surface methods.
Standard published on 10.4.2026
Selected format:Fans. Determination of fan sound power levels under standardized laboratory conditions. Sound intensity method.
Standard published on 17.7.2025
Selected format:Tracked Changes. Fans. Determination of fan sound power levels under standardized laboratory conditions. Sound intensity method.
Standard published on 25.7.2025
Selected format:Copper and copper alloys. Rod and wire for welding and braze welding.
Standard published on 21.12.2002
Selected format:Copper and copper alloys. Seamless, round copper tubes for medical gases or vacuum.
Standard published on 30.6.2016
Selected format:Tracked Changes. Copper and copper alloys. Seamless, round copper tubes for medical gases or vacuum.
Standard published on 25.2.2020
Selected format:Fans. Tolerances, methods of conversion and technical data presentation.
Standard published on 12.6.2025
Selected format:Latest update: 2026-06-24 (Number of items: 2 284 377)
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