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Primary view of Oil-Expressing Cage and Press.
Henry, Nelson B.
October 26, 1920
Primary view of Cotton-Cleaner
Stacy, Grover C.
October 26, 1920
Primary view of Decapitator.
Rece, Frank S.
October 26, 1920
Primary view of Poultry-Killer.
Rece, Frank S.
October 26, 1920
Primary view of Building Construction.
Eldridge, Leonard L.
April 26, 1921
Primary view of Pipe-Coating Machine.
Taber, Rock G.
April 26, 1921
Primary view of Mechanism for Removing Useful Fiber From Seeds.
Vardell, Arthur A.
April 26, 1921
Primary view of Process of and Apparatus for Progressive Electrostatic Separation of Comminuted Material
Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
April 26, 1921
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