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PDF Standards BS 1391:1947

Specification for performance tests for protective schemes used in the protection of light-gauge steel and wrought iron against corrosion
standard by BSI Group, 09/01/1947

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PDF Standards BS 1428-A5:1957

Microchemical apparatus. Combustion trains for the determination of elements. Specification for rapid method combustion tubes (Belcher and Ingram type)
standard by BSI Group, 05/03/1957

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