BS 137-2:1973
Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1000 V-Requirements
standard by BSI Group, 10/08/1973
BS 1749:1969
Alphabetical arrangement and the filing order of numerals and symbols.
standard by BSI Group, 07/23/1969
BS 142-3-3.1:1983
Electrical protection relays. Requirements for single input energizing quantity relays-Specification for single input energizing quantity measuring relays with non-specified time or independent specified time
standard by BSI Group, 07/29/1983
BS 1646:1964
Graphical symbols for process measurement and control functions
standard by BSI Group, 03/31/1964
BS 1580:PARTS 1+AND 2:1962
Specification for Unified screw threads-Diameters ¼ in and larger
standard by BSI Group, 09/15/1962
BS 24-6:1942
Railway rolling stock material. Steel forgings blooms and castings
standard by BSI Group, 01/26/1942
BS 2782-1:METHODS 143A+AND 143B:1989
Methods of testing plastics. Thermal properties-Determination of flammability temperature of materials
standard by BSI Group, 11/30/1989