Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01F
MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
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27/00
Mixers with rotary stirring devices in fixed receptacles; Kneaders
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B01F27/60
with stirrers rotating about a horizontal or inclined axis
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B01F27/72
with helices or sections of helices
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B01F27/721
with two or more helices in the same receptacle
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