Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SE8008235Aexternal-prioritypatent/SE444362B/en
Application filed by Sten Olof ZeilonfiledCriticalSten Olof Zeilon
Application grantedgrantedCritical
Publication of ATE6811T1publicationCriticalpatent/ATE6811T1/en
SET AND DEVICE FOR SWITCHING BETWEEN AN AIR FLOW AND A LIQUID FLOW WHICH THE GRAVITATION FLOW WAS FLOWED IN THE FORM OF A CAPILLED BONDED LIQUID FILM BETWEEN TWO MEMBRANES