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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).
Methods for non-destructive testing of pipes and tubes. Ultrasonic testing of ferrous pipes (excluding cast).
WITHDRAWN published on 31.7.1969
Selected format:Methods for non-destructive testing of pipes and tubes. Automatic eddy current testing of wrought steel tubes.
WITHDRAWN published on 28.2.1986
Selected format:Methods for non-destructive testing of pipes and tubes. Eddy current testing of non-ferrous tubes.
WITHDRAWN published on 7.7.1966
Selected format:Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
WITHDRAWN published on 15.5.2000
Selected format:Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold force levels for pure tones and bone vibrators.
WITHDRAWN published on 15.8.1999
Selected format:Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz.
WITHDRAWN published on 15.2.2001
Selected format:Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing under free-field and diffuse-field listening conditions.
WITHDRAWN published on 15.4.1998
Selected format:Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing under free-field and diffuse-field listening conditions.
WITHDRAWN published on 31.10.2016
Selected format:Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers.
WITHDRAWN published on 28.2.1992
Selected format:Milk and milk products. Determination of residues of organochlorine compounds (pesticides). General considerations and extraction methods.
WITHDRAWN published on 15.9.2000
Selected format:Latest update: 2026-06-22 (Number of items: 2 284 351)
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