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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
B01D63/06—Tubular membrane modules
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AT44660A1959-02-071960-01-21Verfahren und Vorrichtung zur Durchführung eines Stoffaustausches zwischen flüssigen und/oder gasförmigen Medien
AT217430B
(de)