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BS 2559:1955

Screwdrivers not including ratchet screwdrivers or screwdrivers and bits for recessed head screws.
standard by BSI Group, 01/17/1956

BS 236:1941

Round strand and flattened strand steel wire ropes for colliery winding purposes
standard by BSI Group, 10/01/1945

BS 1948:1953

Copper-silicon alloy rods, sections and forgings (for general engineering purposes)
standard by BSI Group, 02/05/1953

BS 2738-2:1989

Spectacle lenses-Specification for tolerances on optical properties of uncut finished lenses
standard by BSI Group, 02/28/1989