What does tr stand for?
tr stands for "tube Transmit-“Receive tube"
How to abbreviate "tube Transmit-“Receive tube"?
"tube Transmit-“Receive tube" can be abbreviated as tr
What is the meaning of tr abbreviation?
The meaning of tr abbreviation is "tube Transmit-“Receive tube"
What does tr mean?
tr as abbreviation means "tube Transmit-“Receive tube"
