What does BK stand for?
BK stands for "Break-In Keying"
How to abbreviate "Break-In Keying"?
"Break-In Keying" can be abbreviated as BK
What is the meaning of BK abbreviation?
The meaning of BK abbreviation is "Break-In Keying"
What does BK mean?
BK as abbreviation means "Break-In Keying"
