DIN 33831-4:1989-05
Withdrawn
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
HEAT PUMPS; READY TO USE HEAT PUMP UNITS WITH INTERNAL COMBUSTION ENGINE DRIVEN COMPRESSORS; RATING & PERFORMANCE TESTING OF AIR WATER HEAT PUMPS
Withdrawn date
01-09-2013
Published date
12-01-2013
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| DocumentType |
Standard
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Withdrawn
|
| VDI 4640 Blatt 3:2001-06 | Utilization of the subsurface for thermal purposes - Underground thermal energy storage |
| VDI 4640 Blatt 2:2001-09 | Thermal use of the underground - Ground source heat pump systems |
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