http://resource.geosciml.org/classifier/cgi/commodity-code/tungsten
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definition | Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten directly translatable to heavy stone, | ![]() |
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source | http://en.wikipedia.org/wiki/Tungsten | ![]() |
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in scheme | commodity code | |||||
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is primary topic of | tungsten& properties=isPrimaryTopicOf,prefLabel |