Universal grinder with reciprocal feeder
Universal mulching machine and method
Universal shredder
Unloading
Unwinding machine for distributing forage gathered in round bale
Upgrading of bauxites, bauxitic clays, and aluminum mineral bear
Upgrading of bauxites, bauxitic clays, and aluminum mineral bear
Upgrading solid fuels
Upright lever pressure type mill
Usage application of a machine for recycling gypsum plaster boar
Use of cellulase in a method of wet milling a starch-containing
Use of rod mill for initial stage of solder glass grinding
Use of smelter-grade sulfuric acid as true heavy-liquid media in
Used-can processing system and method
Uses of white corn hybrids
Uses of white corn hybrids
Utensil for cutting food materials
Utility food grater
Utilization of a paper pulp digester as a structural support