What does SIR stand for?
SIR stands for "Supplementary Information Request"
How to abbreviate "Supplementary Information Request"?
"Supplementary Information Request" can be abbreviated as SIR
What is the meaning of SIR abbreviation?
The meaning of SIR abbreviation is "Supplementary Information Request"
What does SIR mean?
SIR as abbreviation means "Supplementary Information Request"
