What does PDF stand for?
PDF stands for "Pendule De Foucault"
How to abbreviate "Pendule De Foucault"?
"Pendule De Foucault" can be abbreviated as PDF
What is the meaning of PDF abbreviation?
The meaning of PDF abbreviation is "Pendule De Foucault"
What does PDF mean?
PDF as abbreviation means "Pendule De Foucault"
