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BS 116-1:1937
Oil circuit-breakers, oil switches and oil isolating-switches, for alternating-current circuits. Three-phase oil circuit-breakers with breaking-capacity ratings up to 500 mva single phase oil circuit-breakers, oil switches, and oil isolating-switches
standard by BSI Group, 01/27/1953
BS 1000[655]:1970
Universal Decimal Classification. English full edition-Graphic industries. Printing. Publishing. Book trade
standard by BSI Group, 12/16/1970
BS 1250-3:1955
Specification for domestic appliances burning town gas. Specific requirements water heaters other than wash boilers & washing machines
standard by BSI Group, 08/08/1955
BS 1151-2:1961
Guarenteed minimim reckoners for the building and civil engineering contrscting industries
standard by BSI Group, 09/01/1961