The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.
CPC Code 4922 Trailers and semi-trailers; containers
The CPC Code 4922 is described as
Trailers and semi-trailers; containers
It belongs to the code group
CPC Code 492 Bodies (coachwork) for motor vehicles; trailers and semi-trailers; parts and accessories thereof
To this Code "4922" belongs the sub codes
CPC Code 49221: Containers specially designed and equipped for carriage by one or more modes of transport
CPC Code 49222: Trailers and semi-trailers of the caravan type, for housing or camping
CPC Code 49229: Other trailers and semi-trailers (including trailers and semi-trailers for the transport of goods), except self-loading or self-unloading trailers and semi-trailers for agricultural purposes