What does CRR stand for?
CRR stands for "Constant Ringing Relay"
How to abbreviate "Constant Ringing Relay"?
"Constant Ringing Relay" can be abbreviated as CRR
What is the meaning of CRR abbreviation?
The meaning of CRR abbreviation is "Constant Ringing Relay"
What does CRR mean?
CRR as abbreviation means "Constant Ringing Relay"
