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Standards BS - British national standards - Page 7149
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).
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BS 4667-1:1974
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Specification for breathing apparatus. Closed-circuit breathing apparatus.
WITHDRAWN published on 1.9.1974
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BS 4667-2:1971
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Specification for breathing apparatus. Open-circuit breathing apparatus.
WITHDRAWN published on 16.9.1971
Selected format: English - Print design (301.40 USD)
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BS 4667-2:1974
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Specification for breathing apparatus. Open-circuit breathing apparatus.
WITHDRAWN published on 1.11.1977
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BS 4667-3:1971
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Breathing apparatus. Fresh air hose and compressed air line breathing apparatus.
WITHDRAWN published on 15.3.1971
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BS 4667-3:1974
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Breathing apparatus. Fresh air hose and compressed air line breathing apparatus.
WITHDRAWN published on 7.6.1974
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BS 4667-4:1975
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Breathing apparatus. Specification for escape breathing apparatus.
WITHDRAWN published on 30.6.1975
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BS 4667-4:1982
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Breathing apparatus. Specification for escape breathing apparatus.
WITHDRAWN published on 30.11.1982
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BS 4667-4:1989
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Breathing apparatus. Specification for open-circuit escape breathing apparatus.
WITHDRAWN published on 31.12.1989
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BS 4667-5:1990
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Breathing apparatus. Specification for closed-circuit escape breathing apparatus.
WITHDRAWN published on 28.9.1990
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BS 4668:1971
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Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry.
WITHDRAWN published on 22.2.1971
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