B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
B41L47/00—Details of addressographs or like series-printing machines
B41L47/02—Applications of printing surfaces in addressing machines or like series-printing machines
Device for the realisation of book or note-book shaped file-holders capable of allowing the insertion and extraction of paper sheets or booklets and/or documents