| Classification of Products ver. 2002 (CZ-CPA) - level 4 - Group |
111 |
Crude petroleum and natural gas |
| Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category |
11101 |
Petroleum oils and oils obtained from bituminous minerals, crude |
| Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category |
11102 |
Natural gas, liquefied or in gaseous state |
| Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category |
11103 |
Liquefaction and regasification services of natural gas for transportation |
| Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category |
11104 |
Bituminous or oil shale and tar sands |