Equium: Acoustic Heat Pumpsequium.fr 69 pointsarsalanb3 years ago1 commentSaveHideCopy link On HNComments−dang3yComments moved to https://news.ycombinator.com/item?id=34233719, which was posted earlier (and arguably gives more background).
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Comments moved to https://news.ycombinator.com/item?id=34233719, which was posted earlier (and arguably gives more background).