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BS 2042:1953

Specification. An artificial ear for the calibration of earphones of the external type
standard by BSI Group, 01/13/1954

BS 1121-15:1949

Methods for the analysis of iron and steel. Silicon in plain steels carbon steels, low alloy steels and cast irons
standard by BSI Group, 11/16/1949

BS 1005:1942

Specification for sampling and analysis of high purity zinc and zinc alloys for die casting
standard by BSI Group, 11/09/1942

BS 2902:1957

Specification. Higher tensile steel chain slings and rings, links alternative to rings, egg links and intermediate links
standard by BSI Group, 09/30/1957