A commercial propaganda system through helicopter flights (Machine-translation by Google Translate, not legally binding)

摘要

Commercial propaganda system by means of helicopter flights, characterized in that they are linked to the cabin of the apparatus, to be exhibited during certain hours of day and/or night flight over population, with direct or indirect, rigid or flexible link, the names, letters, legends, packaging or other details peculiar to the products to be announced, so that they are clearly visible from the ground in particular when the equipment descends to a low height and parks in certain places. (Machine-translation by Google Translate, not legally binding)