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PDF Standards BS 3179-2:1962

Comparison of british and overseas standards for steel. Chemical composition of wrought alloy steels: British standard (S.A.E and AISI) and German (DIN and Werkstoff)
standard by BSI Group, 09/11/1962

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PDF Standards BS 4199-1:1967

Specification for surgical suction apparatus-Electrically operated surgical suction apparatus of high vacuum and high air displacement type
standard by BSI Group, 10/09/1967

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