of the thin-film type

Full Title

Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles; Apparatus specially adapted therefor > of the thin-film type

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Subclass:

CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS