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Technical rule [CURRENT]

VDI 4640 Blatt 2 Berichtigung
Thermal use of the underground - Ground source heat pump systems, Corrigendum concerning standard VDI 4640 Part 2:2019-06

Title (German)

Thermische Nutzung des Untergrunds - Erdgekoppelte Wärmepumpenanlage, Berichtigung zur Richtlinie VDI 4640 Blatt 2:2019-06

Edition 2020-04
Original language German , English
Table of contents