BS 11A:1924
Flat bottom railway rails for rails from 25 to 100 Lb. per yard inclusive
standard by BSI Group, 04/01/1924
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BS 1673-1:1952
Methods of test for raw rubber and unvulcanized compounded rubber. Sampling
standard by BSI Group, 02/22/1952
BS 1772:1951
Sizes of photographic sheet film other than x-ray film.
standard by BSI Group, 09/14/1951
BS 1719:1951
Classification of covered electrodes for the metal-arc welding of mild steel and medium-high-tensile steels of welding quality.
standard by BSI Group, 03/30/1951
BS 1432:1987
Specification for copper for electrical purposes: high conductivity copper rectangular conductors with drawn or rolled edges
standard by BSI Group, 03/31/1987