| 271111 | 271111 - Petroleum gases and other gaseous hydrocarbons; liquefied, na |
| 271112 | 271112 - Petroleum gases and other gaseous hydrocarbons; liquefied, pr |
| 271113 | 271113 - Petroleum gases and other gaseous hydrocarbons; liquefied, bu |
| 271114 | 271114 - Petroleum gases and other gaseous hydrocarbons; liquefied, et |
| 271119 | 271119 - Petroleum gases and other gaseous hydrocarbons; liquefied, n. |
| 271121 | 271121 - Petroleum gases and other gaseous hydrocarbons; in gaseous st |
| 271129 | 271129 - Petroleum gases and other gaseous hydrocarbons; in gaseous st |