Active
, Reaffirmed
Standard
Most Recent
VDI 4640 Blatt 4:2004-09 (R2009)
Thermal use of the underground - Direct uses.
Preview
Summary
Thermische Nutzung des Untergrundes - Direkte Nutzungen / Achtung: Bestätigt 2009-12
Notes
Approved 2009-12
Technical characteristics
| Publisher | Verein Deutscher Ingenieure e.V. (VDI) |
| Publication Date | 09/01/2004 |
| Confirmation Date | 12/01/2009 |
| Page Count | 40 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
Replaces
01/12/2002
Superseded
Historical
Previous versions
01/09/2004
Active
, Reaffirmed
Most Recent
01/12/2002
Superseded
Historical