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BS MA 74-2:1981Tapers and other outboard details of propeller shafts. Specification for shafts of diameter greater than 160 mm up to 1000 mmstandard by BSI Group, 12/31/1980
BS 5550-4.2.1:1980Cinematography. 65 mm and 70 mm film. Image areas. Specification for positions and dimensions of image area produced by 65 mm and 70 mm motion-picture camera aperture and maximum projectable image area on 70 mm motion-picture printsstandard by BSI Group, 12/31/1980
BS 5550-2.4.4:1980Cinematography. 16 mm film. Sound. Specification for positions and width dimensions of recording head gaps for two sound records on 16 mm magnetic filmstandard by BSI Group, 12/31/1980
BS 5050-8:1980Methods of test for cryolite. Determination of calcium contentstandard by BSI Group, 12/31/1980
BS 4993-9:1980Methods of test for aluminium fluoride for industrial use. Determination of sulphur content (X-ray fluorescence spectrometric method)standard by BSI Group, 12/31/1980
BS 4993-8:1980Methods of test for aluminium fluoride for industrial use. Determination of sulphate contentstandard by BSI Group, 12/31/1980
BS 4993-7:1980Methods of test for aluminium fluoride for industrial use. Determination of sodium contentstandard by BSI Group, 12/31/1980
BS 4993-6:1980Methods of test for aluminium fluoride for industrial use. Determination of moisture content (gravimetric method)standard by BSI Group, 12/31/1980
BS 4993-5:1980Methods of test for aluminium fluoride for industrial use. Determination of moisture content (Karl Fischer method)standard by BSI Group, 12/31/1980
BS 4993-4:1980Methods of test for aluminium fluoride for industrial use. Preparation and storage of test samplesstandard by BSI Group, 12/31/1980
BS 2G 221:1980Specification for Minyvin type electric cables (metric units)standard by BSI Group, 12/31/1980
BS 6049-7:1981Methods of test for teastandard by BSI Group, 12/31/1980