BS 6073-2:1981 Precast concrete masonry units. Method for specifying precast concrete masonry units standard by BSI Group, 07/31/1981
BS HR 505:1981 Specification for nickel-chromium-iron-titanium-niobium-aluminium heat-resisting alloy round wire for thread inserts (maximum diameter 2 mm) (nickel base, Cr 15.5, Fe 7.0, Ti 2.5, Nb/Ta 0.95, Al 0.70) standard by BSI Group, 07/31/1981
BS 5350-H1:1981 Methods of test for adhesives. Determination of heat stability of hot melt adhesives in the application equipment standard by BSI Group, 07/31/1981
BS 2482:1981 Specification for timber scaffold boards standard by BSI Group, 07/31/1981
BS 6101-1:1981 Machine tool ball screws. Methods of calculating dynamic and static load and life ratings standard by BSI Group, 07/31/1981
BS 6129-1:1981 Code of practice for the selection and application of bellows expansion joints for use in pressure systems. Metallic bellows expansion joints standard by BSI Group, 07/31/1981
BS 4721:1981 Specification for ready-mixed building mortars standard by BSI Group, 07/31/1981
BS 1918-2:1981 Glass container finishes. Specification for crown finish standard by BSI Group, 07/31/1981
BS 2011-2.1T:1981 Environmental testing. Tests. Test T. Soldering standard by BSI Group, 07/31/1981
BS 448-2:1981 Dimensions of electronic tubes and valves. Specification for dimensions of United Kingdom electronic tubes standard by BSI Group, 07/31/1981
BS 4168-1:1981 Hexagon socket screws and wrench keys: metric series. Specification for hexagon socket head cap screws standard by BSI Group, 07/31/1981
BS 3680-4C:1981 Methods of measurement of liquid flow in open channels. Weirs and flumes. Flumes standard by BSI Group, 06/30/1981