_:b17593161 . _:b17593162 "This gathering machine forms the backbone of a bookbinding operation."@en . _:b17593159 . _:b17593163 "(bookbinding) A section, a group of bifolios, or sheets of paper, stacked together and folded in half."@en . _:b6581903 . _:b17593164 "(bookbinding) A section, a group of bifolios, or sheets of paper, stacked together and folded in half."@en . _:b6581904 "This gathering machine forms the backbone of a bookbinding operation."@en . . _:b17593159 "This gathering machine forms the backbone of a bookbinding operation."@en . _:b17593160 . _:b17593161 "This gathering machine forms the backbone of a bookbinding operation."@en . _:b17593163 . _:b17593164 . _:b17593160 "(bookbinding) A section, a group of bifolios, or sheets of paper, stacked together and folded in half."@en . _:b6581903 "(bookbinding) A section, a group of bifolios, or sheets of paper, stacked together and folded in half."@en . "3" . _:b17593162 . _:b6581904 .