Subheading 271311: Petroleum Coke; (not Calcined), Obtained from Bituminous Minerals
Subheading 271312: Petroleum Coke; Calcined, Obtained from Bituminous Minerals
Subheading 271320: Petroleum Bitumen; Obtained from Bituminous Minerals
Subheading 271390: Residues; of Petroleum Oils or of Oils Obtained from Bituminous Minerals