Improved pieces for puzzles, especially for geographical puzzles (Machine-translation by Google Translate, not legally binding)

摘要

Improved pieces for puzzles, especially for geographical puzzles, which are essentially characterized in that the printed sheet that is attached to the support piece of wood or cardboard or other similar material, has a plate of transparent material adhered on it, forming a single piece with the printed sheet and the other material. (Machine-translation by Google Translate, not legally binding)