What does 10-9 stand for?
10-9 stands for "Repeat/Say Again"
How to abbreviate "Repeat/Say Again"?
"Repeat/Say Again" can be abbreviated as 10-9
What is the meaning of 10-9 abbreviation?
The meaning of 10-9 abbreviation is "Repeat/Say Again"
What does 10-9 mean?
10-9 as abbreviation means "Repeat/Say Again"