Procedure with your corresponding installation, to produce on movies explanatory texts for the images (Machine-translation by Google Translate, not legally binding)

摘要

Procedure with its corresponding installation to produce on films explanatory texts for the images which is covered with a protective layer at least the photographic layer of the film except for the areas corresponding to the letters of the texts to be produced after which a reagent is actuated on these zones characterized in that the reagent is thrown on the film. (Machine-translation by Google Translate, not legally binding)