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BS 7461:1991Specification for electrically operated automatic gas shut-off valves fitted with throughput adjusters, proof of closure switches, closed position indicator switches or gas flow controlstandard by BSI Group, 09/30/1991
BS 6812-3:1991Airborne noise emitted by earth-moving machinery. Method of measurement of exterior noise in dynamic test conditionsstandard by BSI Group, 09/30/1991
BS 6501-1:1991Flexible metallic hose assemblies. Specification for corrugated hose assembliesstandard by BSI Group, 09/30/1991
BS 7460:1991Code of practice for use of spray extraction machines on carpets and soft floor coverings in hospitalsstandard by BSI Group, 09/30/1991
BS 7456:1991Code of practice for stabilization and thermal insulation of cavity walls (with masonry or concrete inner and outer leaves) by filling with polyurethane (PUR) foam systemsstandard by BSI Group, 09/30/1991
BS 7482-3:1991Instrumentation for the measurement of vibration exposure of human beings. Specification for instrumentation for measuring vibration exposure to the whole bodystandard by BSI Group, 09/30/1991
BS 7482-2:1991Instrumentation for the measurement of vibration exposure of human beings. Specification for instrumentation for measuring vibration transmitted to the handstandard by BSI Group, 09/30/1991
BS 7482-1:1991Instrumentation for the measurement of vibration exposure of human beings. Specification for general requirements for instrumentation for measuring the vibration applied to human beingsstandard by BSI Group, 09/30/1991
BS QC 700000:1991Harmonized system of quality assessment for electric components. Generic specification for discrete devices and integrated circuitsstandard by BSI Group, 09/30/1991
BS PD 6493:1991Guidance on Methods for Assessing the Acceptability of Flaws in Fusion Welded Structuresstandard by BSI Group, 08/30/1991
BS 3523:1991Specification for granular desiccant silica gel impregnated with cobalt chloridestandard by BSI Group, 08/30/1991
BS 1902-5.5:1991Methods of testing refractory materials. Refractory and thermal properties. Determination of thermal conductivity (panel/calorimeter method) (method 1902-505)standard by BSI Group, 08/30/1991