Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01D
SEPARATION
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B01D11/04
of solutions which are liquid
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B01D11/0446
Juxtaposition of mixers-settlers
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B01D11/0453
with narrow passages limited by plates, walls, e.g. helically coiled tubes
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