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BS A 55 AND 56:1951+A3:2012Specifications for grub screws for aeronautical purposesstandard by BSI Group, 03/30/1951
BS A 31-54:1951Specification for British Association (B.A.) low tensile screws and nuts for aeronautical purposesstandard by BSI Group, 03/30/1951
BS SP 28 AND 29:1951Specifications for solid taper pins for aeronautical purposes. Specifications for solid taper pins for aeronautical purposesstandard by BSI Group, 03/30/1951
BS A 55 AND 56:1951Specifications for grub screws for aeronautical purposesstandard by BSI Group, 03/30/1951
BS 959:1950Specification for internal micro meters (including stick micro meters)standard by BSI Group, 01/18/1951
BS 1702:1950Specification for mild steel drums (heavy duty - fixed ends)standard by BSI Group, 12/30/1950
BS 581:1950 [ Withdrawn ]Specification for electrically-driven point-operating machines for railwaysstandard by BSI Group, 12/13/1950
BS 442:1950Specification for terminals for electrical apparatus for railway signalling purposesstandard by BSI Group, 12/30/1950
BS 714:1950Specification. Cartridge fuse-links for use in railway-signalling circuitsstandard by BSI Group, 11/30/1950
BS 1553-2:1950Specification for graphical symbols for general engineering. Graphical symbols for power generating plantstandard by BSI Group, 09/21/1950
BS 1553-3:1950Graphical symbols for general engineering. Graphical symbols for compressing plantstandard by BSI Group, 09/07/1950
BS 1657:1950Specification for buttress threadsstandard by BSI Group, 08/17/1950