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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D1/00—Evaporating
B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
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FR646894D1927-01-101928-01-09Perfectionnements apportés aux dispositifs pour la vaporisation et pour la concentration des liquides
ExpiredFR646894A
(fr)