Continuous band of documents for commercial correspondence. (Machine-translation by Google Translate, not legally binding)

摘要

Adjacent band of documents for commercial correspondence, which is constituted by several overlapping sheets with longitudinal perforation lines that defines strips with trailing holes for processing in computer; and of the type to present, a transverse perforation line defining a unit in at least two sheets that constitute a sealed or open envelope depending on whether or not they have glued areas, essentially characterized by having at least one more sheet which can be placed between the two that make up the shipping envelope or on some of them and which can be used as an envelope or response card, with the height of this sheet being equal to the height of the sheets that make up the envelope. (Machine-translation by Google Translate, not legally binding)