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BS

PDF Standards BS 1473:1963

Specification for wrought aluminium and aluminium alloys for general engineering purposes – rivet, bolt & screw stock for forging.
standard by BSI Group, 09/03/1963

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BS

PDF Standards BS 1113:1989

Specification for design and manufacture of water-tube steam generating plant (including superheaters, reheaters and steel tube economizers)
standard by BSI Group, 05/01/1991

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