FI (Note)/(Index) list

Descriptions for B04B and notes/indexes are displayed on this screen.

B04B CENTRIFUGES (high-speed drum mills B02C 19/11)

Note(s)
    This subclass covers machines or apparatus for separating, mixing, drying, extracting, purifying, or like treating in which centrifugal effects are generated by rotary bowls or other rotors. Where such machines or apparatus involve pumping effects, such effects must be incidental or subsidiary to the treating.