What does DDF stand for?
DDF stands for "Direkte Digitale Frequenz"
How to abbreviate "Direkte Digitale Frequenz"?
"Direkte Digitale Frequenz" can be abbreviated as DDF
What is the meaning of DDF abbreviation?
The meaning of DDF abbreviation is "Direkte Digitale Frequenz"
What does DDF mean?
DDF as abbreviation means "Direkte Digitale Frequenz"
