Document sorter utilizing cascaded sorting steps
Document sorting machine
Document sorting machine
Document transport system
Double bank grain cleaner
Down and stuck bottle inspection system
Drive for a switch tongue in a transport device for letters...
Drive for orbiting sieve of combine
Drop sling lumber sorter apparatus
Drum screen
Drum screen
Dry grader for very fine coal
Dry material sorting device
Dry separation of contaminants from polyester materials
Dual diameter disc debris roll screen
Dual flow screening apparatus
Dual frequency screen for classifying granular material
Dual metering method for indicating the contents of mail
Dual stacker for slot acceptor
Dual-screen particle sizing apparatus and method