Device for surprise propaganda (Machine-translation by Google Translate, not legally binding)

摘要

A surprise advertisement, characterized essentially by the fact of having between two sides of a folder of any material, a launch device consisting of a sheet held by two others together forming a deformable rectangular prism, retained in a position of minimal deformation by a rubber which embraces the two opposite front and rear faces, arranged diagonally from the lowest point of the front to the highest of the rear. (Machine-translation by Google Translate, not legally binding)