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