BS 109:1921
Air-break knife switches and air-break isolating switches for voltages not exceeding 660 volts excluding totally-enclosed and flame proof types
standard by BSI Group, 01/30/1933
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BS 1000[58]:1979
Universal Decimal Classification. English full edition-Botany
standard by BSI Group, 10/31/1979
BS 1121-31:1954
Methods for the analysis of iron and steel. Silica in blast furnace slags refactories and iron ores
standard by BSI Group, 02/04/1957
BS 1016-17:1979
Methods for analysis and testing of coal and coke-Size analysis of coal
standard by BSI Group, 03/30/1979
BS 1000[5/50]:1983
Universal Decimal Classification. English full edition-Exact sciences in general. Nature study. Conservation. Environmental sciences
standard by BSI Group, 07/29/1983
BS 1000[51]:1976
Universal Decimal Classification. English full edition-Mathematics
standard by BSI Group, 03/31/1976
BS 1121-25:1956
Methods for the analysis of iron and steel. Vanadium in iron steel and ferro vanadium
standard by BSI Group, 11/08/1956
BS 1000[368]:1971
Universal Decimal Classification. English full edition-Insurance
standard by BSI Group, 06/24/1971
BS 1127:1974
Specification for circular machine screwing dies, hand screwing dies and hexagon dienuts
standard by BSI Group, 05/31/1979