Preferred term
620.21-620.25 Anvendt akustikk (akustisk teknikk)
Broader concept
Broader conceptNarrower concepts
Narrower concepts.Identifier
- ocd00155220
Notation
Code that uniquely identifies a concept within a concept scheme.- 620.21-620.25
URI
http://dewey.info/class/620.21-620.25/e23/