BS 4656-1:1981 Accuracy of machine tools and methods of test. Specification for lathes, general purpose type standard by BSI Group, 09/30/1981
BS 6140-1:1981 Test equipment for generating vibration. Methods of describing characteristics of electrodynamic test equipment for generating vibration standard by BSI Group, 09/30/1981
BS 6118:1981 Specification for multi-trip glass bottles for beer and cider standard by BSI Group, 09/30/1981
BS 6119-1:1981 Glass bottles for carbonated soft drinks. Specification for 750 ml and 1 litre multi-trip bottles standard by BSI Group, 09/30/1981
BS 6075-1:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of sodium hydroxide content standard by BSI Group, 02/27/1981
BS 6075-14:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of matter insoluble in water standard by BSI Group, 02/27/1981
BS 6075-2:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of chloride content (mercurimetric method) standard by BSI Group, 02/27/1981
BS 6075-3:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of iron content standard by BSI Group, 02/27/1981
BS 6075-4:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of silica content standard by BSI Group, 02/27/1981
BS 6075-5:1981 Methods of sampling and test for sodium hydroxide for industrial use. Sampling and preparation of main test solution standard by BSI Group, 02/27/1981
BS 6075-6:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of carbonate content standard by BSI Group, 02/27/1981
BS 6075-7:1981 Methods of sampling and test for sodium hydroxide for industrial use. Determination of chloride content (photometric method) standard by BSI Group, 02/27/1981