What does UDN stand for?
UDN stands for "Uren Dagen Nachten"
How to abbreviate "Uren Dagen Nachten"?
"Uren Dagen Nachten" can be abbreviated as UDN
What is the meaning of UDN abbreviation?
The meaning of UDN abbreviation is "Uren Dagen Nachten"
What does UDN mean?
UDN as abbreviation means "Uren Dagen Nachten"