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Primary view of Glass Manufacture dated November 5, 1918
Thomas J. McCoy
November 5, 1918
Primary view of Vacuum-Regulator for Oil-Pumps.
Hobb, James W.
March 12, 1918
Primary view of Measure for Oil-Wells.
Richardson, Robert B.
May 21, 1918
Primary view of Pump
Perry, Sherman V.
March 19, 1918
Primary view of Support for Telegraph Line-Wires and the Like.
Wilson, James F.
May 21, 1918
Primary view of Cut-off Valve for Pipe-Lines
Hagern, Joseph F.
April 30, 1918
Primary view of Holder.
Duckett, J. L.
July 2, 1918
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