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BS MA 94:1981 Specification for thermal insulation for marine piping systems standard by BSI Group, 12/31/1981
BS 1781:1981 Specification for linen and linen union textiles standard by BSI Group, 12/31/1981
BS CECC 40300:1981 Harmonized system of quality assessment for electronic components: sectional specification: fixed precision resistors standard by BSI Group, 12/31/1981
BS 2A 122; 2A 123; 2A 124:1981 Specification for clinch nuts (Unified threads) for aircraft standard by BSI Group, 12/31/1981
BS S 159:1981 Specification for 12% chromium-nickel-molybdenum-vanadium heat-resisting steel bars for the manufacture of fasteners (1100-1300 MPa: limiting ruling section 50 mm) standard by BSI Group, 12/31/1981
BS 3643-2:1981 ISO metric screw threads. Specification for selected limits of size standard by BSI Group, 12/31/1981
BS 2G 132:1981 Specification for general requirements for electromagnetically operated contactors for aircraft standard by BSI Group, 12/31/1981
BS 3198:1981 Specification for copper hot water storage combination units for domestic purposes standard by BSI Group, 12/31/1981
BS 6086:1981 Method of measurement of noise inside motor vehicles standard by BSI Group, 12/31/1981
BS 5771:1981 Specification for packages for certain pre-packed foodstuffs: capacities of glass and metal containers standard by BSI Group, 12/31/1981
BS 5763-5:1981 Methods for microbiological examination of food and animal feeding stuffs. Enumeration of micro-organisms. Colony count at 30 degreesC (surface plate technique) standard by BSI Group, 12/31/1981
BS 5977-1:1981 Lintels. Method for assessment of load standard by BSI Group, 12/31/1981