What does SIR stand for?
SIR stands for "Smart Indicating Regulator"
How to abbreviate "Smart Indicating Regulator"?
"Smart Indicating Regulator" can be abbreviated as SIR
What is the meaning of SIR abbreviation?
The meaning of SIR abbreviation is "Smart Indicating Regulator"
What does SIR mean?
SIR as abbreviation means "Smart Indicating Regulator"