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