What does Twdd stand for?
Twdd stands for "Two-Way/Delay Dial"
How to abbreviate "Two-Way/Delay Dial"?
"Two-Way/Delay Dial" can be abbreviated as Twdd
What is the meaning of Twdd abbreviation?
The meaning of Twdd abbreviation is "Two-Way/Delay Dial"
What does Twdd mean?
Twdd as abbreviation means "Two-Way/Delay Dial"
