The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.
CPC Code 3331 Motor spirit (gasolene) including aviation spirit
The CPC Code 3331 is described as
Motor spirit (gasolene) including aviation spirit
It belongs to the code group
CPC Code 333 Petroleum oils and oils obtained from bituminous materials, other than crude; preparations n.e.c. containing by weight 70% or more of these oils, such oils being the basic constituents of the preparations
To this Code "3331" belongs the sub codes
CPC Code 33310: Motor spirit (gasolene) including aviation spirit