Language
BS 450 - 1958
BS 3575 - 1963
BS 4395-1 - 1969
BS 4620 (T1) - 1970
BS 4320 (B) - 1968
BS 2470 - 1973
BS 4933 - 1973
BS 7644-2 - 1993
BS 1802 (C) - 1951
BS 1083 - 1965
BS 4278 - 1984
BS 1769 - 1951
BS 325 - 1947
BS 7419 - 1991
BS 3692 - 2014
BS 4174 - 1972
BS 1981 - 1991
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