Josef Hak
1896–1968
Zeitleiste
Biografie
český profesor techniky, elektrotechnik, legionář, odbojář a manažer
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
100%