Superseded
Standard
Historical
VDI 4640 Blatt 2:1998-02
Thermal use of the underground - Ground-coupled heat pump systems
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Summary
Thermische Nutzung des Untergrundes - Erdgekoppelte Wärmepumpenanlagen
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 02/01/1998 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/06/2019
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01/05/2015
Superseded
Historical
01/09/2001
Superseded
Historical
01/02/1998
Superseded
Historical