![WikiProject icon](//upload.wikimedia.org/wikipedia/commons/thumb/2/25/Pod_l%C3%ADpou_n%C3%A1vrhovou_cs_znak.svg/70px-Pod_l%C3%ADpou_n%C3%A1vrhovou_cs_znak.svg.png) | This page is within the scope of WikiProject Invention, a collaborative effort to improve the coverage of Invention on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.InventionWikipedia:WikiProject InventionTemplate:WikiProject InventionInvention articles | |