Language
BS 3575 - 1963
BS 450 - 1958
BS 4174 - 1972
BS 1981 - 1991
BS 4183 (T2) - 1967
BS 2470 - 1973
BS 7764 - 1994
BS 916 - 1953
BS 4933 - 1973
BS 4190 - 2014
BS 1768 - 1963
BS 4320 (G) - 1968
BS 1210 - 1963
BS 4183 (T3) - 1967
BS 4183 (T8) - 1967
BS 275 (-4) - 1927
BS 4190 - 2001
BS 1769 - 1951
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