What does PTB stand for?
PTB stands for "Physikal Technische Bundesanstalt"
How to abbreviate "Physikal Technische Bundesanstalt"?
"Physikal Technische Bundesanstalt" can be abbreviated as PTB
What is the meaning of PTB abbreviation?
The meaning of PTB abbreviation is "Physikal Technische Bundesanstalt"
What does PTB mean?
PTB as abbreviation means "Physikal Technische Bundesanstalt"
