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BS 4993-8:1980 Methods of test for aluminium fluoride for industrial use. Determination of sulphate content standard by BSI Group, 12/31/1980
BS 4993-9:1980 Methods 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 4993-7:1980 Methods of test for aluminium fluoride for industrial use. Determination of sodium content standard by BSI Group, 12/31/1980
BS 4993-6:1980 Methods of test for aluminium fluoride for industrial use. Determination of moisture content (gravimetric method) standard by BSI Group, 12/31/1980
BS 4993-5:1980 Methods of test for aluminium fluoride for industrial use. Determination of moisture content (Karl Fischer method) standard by BSI Group, 12/31/1980
BS 4993-4:1980 Methods of test for aluminium fluoride for industrial use. Preparation and storage of test samples standard by BSI Group, 12/31/1980
BS 6049-7:1981 Methods of test for tea standard by BSI Group, 12/31/1980
BS 2G 221:1980 Specification for Minyvin type electric cables (metric units) standard by BSI Group, 12/31/1980
BS 6049-1:1981 Methods of test for tea standard by BSI Group, 12/31/1980
BS 5999:1980 Specification for serials holdings statements for libraries and documentation centres standard by BSI Group, 12/31/1980
BS 5292:1980 Specification for jointing materials and compounds for installations using water, low-pressure steam or 1st, 2nd and 3rd family gases standard by BSI Group, 11/28/1980
BS 6049-2:1981 Methods of test for tea standard by BSI Group, 12/31/1980