PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Determination of copper - Steel and cast iron: spectrophotometric methodCurrent, Work in HandBS 6200-3.12.3:1986Sampling and analysis of iron, steel and other ferrous metals.
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  • bsigroup.com