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BS 5551-4.1.1:1981 Fertilizers. Chemical analysis. Determination of nitrogen. Nitron gravimetric method for determination of nitrate nitrogen standard by BSI Group, 11/30/1981
BS CECC 90104:1981 Specification for harmonized system of quality assessment for electronic components. Family specification: C. Mos digital integrated circuits, series 4000B and 4000UB standard by BSI Group, 11/15/1981
BS CECC 22121:1981 Specification for harmonized system of quality assessment for electronic components. Blank detail specification: radio frequency coaxial connectors, series BNC standard by BSI Group, 11/15/1981
BS 6043-1.4:1981 Methods of sampling and test for carbonaceous materials used in aluminium manufacture. Electrode pitch. Determination of content of toluene-insoluble material standard by BSI Group, 10/31/1981
BS 5598-9:1981 Methods of sampling and test for halogenated hydrocarbons. Determination of boiling range of chlorofluorinated hydrocarbons standard by BSI Group, 10/30/1981
BS 1903:1981 Glossary of terms used by the clothing industry standard by BSI Group, 10/30/1981
BS 1344-18:1981 Methods of testing vitreous enamel finishes. Determination of fluidity behaviour: fusion flow test standard by BSI Group, 10/30/1981
BS 4624:1981 Methods of test for asbestos-cement building products standard by BSI Group, 10/30/1981
BS 4401-15:1981 Methods of test for meat and meat products. Detection of polyphosphates standard by BSI Group, 10/30/1981
BS 6102-1:1981 Cycles. Specification for safety requirements for bicycles standard by BSI Group, 10/30/1981
BS 5817-5.1:1981 Specification for audio-visual, video and television equipment and systems. Control, synchronization and address codes. Synchronized tape/visual operating practice standard by BSI Group, 10/30/1981
BS 3F 63:1981 Specification for low pressure oxygen hose for aeronautical purposes standard by BSI Group, 10/30/1981