Mixers with rotary stirring devices in fixed receptacles ; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with a single helix closely surrounded by a casing
Mixers with rotary stirring devices in fixed receptacles ; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with a single helix closely surrounded by a casing