Fecalator, an apparatus and method for concentration of parasite
Field to gin cotton handling and storge systems
Flotation apparatus for reclaiming bonded, two-resin articles
Flotation method and apparatus for recovering crude oil from tar
Flotation separator
Fluidic sorting device for two or more materials suspended in a
Fluorinated hydrocarbons in coal mining and beneficiation
Froth flotation ore beneficiation process utilizing enhanced gas