Preferred term
621.38415 Systemer inndelt etter bølgetype, satellittsystem og relésystem
Broader concept
Broader conceptNarrower concepts
Narrower concepts.Identifier
- ocd00155527
Notation
Code that uniquely identifies a concept within a concept scheme.- 621.38415
URI
http://dewey.info/class/621.38415/e23/