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