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AT81903061T1980-11-251981-11-24Verfahren zum austausch von hitze zwischen fluessigkeit und luft und vorrichtung zum ausueben des verfahrens.
ATE6811T1
(de)
Sett och anordning for vermevexling mellan ett luftflode och ett vetskeflode der vetskan av gravitationen flyter i form av en kapillert bunden vetskefilm mellan tva membran