| http://www.w3.org/ns/prov#value | - Material specifications for sintered metal products, excluding hardmetals - Sintered iron and sintered steel containing one or both of the elements carbon and copper, used for structural partsWithdrawnBS 4237:1967Report on reproducibility of methods of chemical analysis used in the iron and steel industryWithdrawnBS 6200-5:1997Sampling and analysis of iron, steel and other ferrous metals - Guideli
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