Tập tin:Prototypes.jpgDescriptionPrototypes.jpg English: Prototype line of micro flying disc invention Deutsch: Prototypen der micro flying disc Erfindung Date 24 June 2013
Tập tin:PCB Prototypes.jpg4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English PCB Prototypes Wikimedia username: Mister rf author name string: Mister rf URL: https://commons