Christian Steenstrup, Patent on double evaporator.
Jan 1, 2021 16:27:48 GMT
ckfan and turbokinetic like this
Post by coldspaces on Jan 1, 2021 16:27:48 GMT
I don't recall seeing this before, but we might have. I haven't read it all but looks interesting. patents.google.com/patent/US1992018A/en?q=general+electric&q=enameling+evaportors&before=priority:19340101&after=priority:19280101