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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).
Rules for the preparation of detail specifications for semiconductor devices of assessed quality: microwave Gunn oscillators (pulse operation).
WITHDRAWN published on 15.9.1977
Selected format:Rules for the preparation of detail specifications for semiconductor devices of assessed quality: microwave avalanche oscillators (c.w. operation).
WITHDRAWN published on 15.10.1977
Selected format:Rules for the preparation of detail specifications for semiconductor devices of assessed quality: microwave avalanche oscillators (pulse operation).
WITHDRAWN published on 15.10.1977
Selected format:Rules for the preparation of detail specifications for semiconductor devices of assessed quality: varactor diodes for frequency multiplication.
WITHDRAWN published on 1.12.1988
Selected format:Tests for geometrical properties of aggregates. Determination of particle size distribution. Sieving method.
WITHDRAWN published on 15.3.2006
Selected format:Tests for geometrical properties of aggregates. Assessment of fines. Grading of fillers (air-jet sieving).
WITHDRAWN published on 15.5.2001
Selected format:Tests for geometrical properties of aggregates. Determination of particle size distribution. Test sieves, nominal size of apertures.
WITHDRAWN published on 15.6.1996
Selected format:Tests for geometrical properties of aggregates. Determination of particle shape. Flakiness index.
WITHDRAWN published on 26.2.2004
Selected format:Tests for geometrical properties of aggregates. Determination of particle shape. Shape index.
WITHDRAWN published on 15.1.2000
Selected format:Tests for geometrical properties of aggregates. Determination of percentage of crushed and broken surfaces in coarse aggregate particles.
WITHDRAWN published on 11.5.2005
Selected format:Latest update: 2025-07-06 (Number of items: 2 207 474)
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