with impellers; Subaeration machines

Full Title

Flotation (conditioning for flotation, general arrangement of plan B03B) > Flotation machines (devices for feeding measured quantities of reagents B01J4/02; flotation apparatus for enzymology or microbiology C12M1/09) > with impellers; Subaeration machines

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Child Classifications

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B03D 1/18 without air supply
B03D 1/20 with internal air pumps
B03D 1/22 with external blowers