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BS 1006:A02:1978

Methods of test for colour fastness of textiles and leather.-Grey scale for assessing change in colour
standard by BSI Group, 12/15/1978

BS 1000[621.5]:1971

Universal Decimal Classification. English full edition-Pneumatic energy, machinery and tools. Refrigeration and liquefaction techniques and plant
standard by BSI Group, 08/17/1971

BS 1121-37:1961

Methods for the analysis of iron and steel. Nickel in iron and steel and permanent alloys.
standard by BSI Group, 11/09/1956