Pipe-Pulling Device. Page: 3 of 5
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Pipe-Pulling Device., patent, August 5, 1919; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1259460/m1/3/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.