What does BT stand for?
BT stands for "Beam Tetrode"
How to abbreviate "Beam Tetrode"?
"Beam Tetrode" can be abbreviated as BT
What is the meaning of BT abbreviation?
The meaning of BT abbreviation is "Beam Tetrode"
What does BT mean?
BT as abbreviation means "Beam Tetrode"
