Section 05 Mineral products 27 Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes 27 11 Petroleum gases and other gaseous hydrocarbons 27 11 21 Natural gas in gaseous state 27 11 21 00 Natural gas in gaseous state Commodity Code Description 27 11 21 00 00 Natural gas in gaseous state
