Thermal use of the underground - Fundamentals, approvals, environmental aspects.
STANDARD published on 1.12.2000
Designation standards: VDI 4640Blatt1
Note: WITHDRAWN
Publication date standards: 1.12.2000
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: German technical standard
Category: Technical standards VDI
Thermische Nutzung des Untergrundes - Grundlagen, Genehmigungen, Umweltaspekte.