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W Economic sectors > W.05 Resource Sector and Mining > W.05.01 Mining > W.05.01.02 Crude Petroleum and Natural Gas Production

优选词,正式主题词

W.05.01.02W.05.01.02 Crude Petroleum and Natural Gas Production  

类型

  • Thsys

上位概念

notation

  • W.05.01.02

URI

http://zbw.eu/stw/thsys/71006

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