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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).
Detail specification for glass-encapsulated quartz crystal units for oscillator applications. DA, CY and CZ enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level..
WITHDRAWN published on 15.6.1975
Selected format:Acoustics. Determination of sound power levels of noise sources using sound intensity. Measurement at discrete points.
WITHDRAWN published on 15.12.1995
Selected format:Acoustics. Determination of sound power levels of noise sources using sound intensity. Precision method for measurement by scanning.
WITHDRAWN published on 30.1.2003
Selected format:Blank detail specification for quartz crystal units of assessed quality: basic assessment level.
WITHDRAWN published on 15.8.1984
Selected format:Rules for the preparation of detail specifications for quartz crystal units of assessed quality. Full assessment level.
WITHDRAWN published on 15.10.1982
Selected format:Specification for capability approval of quartz crystal units: generic data.
WITHDRAWN published on 29.1.1988
Selected format:Transportable gas cylinders. Valve protection caps and valve guards for industrial and medical gas cylinders. Design, construction and tests.
WITHDRAWN published on 15.5.2001
Selected format:Specification for quartz crystal oscillators of assessed quality: generic data and methods of test.
WITHDRAWN published on 31.12.1982
Selected format:Rules for the preparation of detail specifications for simple packaged crystal oscillators (SPXO). Full assessment level.
WITHDRAWN published on 1.1.1979
Selected format:Whole milk. Determination of milkfat, protein and lactose content. Guidance on the operation of mid-infrared instruments.
WITHDRAWN published on 15.3.2000
Selected format:Latest update: 2025-07-03 (Number of items: 2 207 355)
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