[Problems in the operation and maintenance of technical housing appliances].
D000389:Air Conditioning; D003365:Costs and Cost Analysis; D004779:Environment Design; D004780:Environment, Controlled; D005860:Germany, West; D006796:Household Work; D006798:Housing; D008283:Maintenance
Probleme des Betriebs und der Erhaltung haustechnischer Anlagen.