The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.
CPC Code 43131 Spark-ignition reciprocating or rotary internal combustion piston engines for aircraft
The CPC Code 43131 is described as
Spark-ignition reciprocating or rotary internal combustion piston engines for aircraft
It belongs to the code group
CPC Code 4313 Motors and engines for aircraft and spacecraft; aircraft launching gear, deck-arrestor or similar gear, and ground flying trainers
To this Code "43131" belongs the sub codes
(No direct sub codes available)