What does GPR stand for?
GPR stands for "Gunpowder Residue"
How to abbreviate "Gunpowder Residue"?
"Gunpowder Residue" can be abbreviated as GPR
What is the meaning of GPR abbreviation?
The meaning of GPR abbreviation is "Gunpowder Residue"
What does GPR mean?
GPR as abbreviation means "Gunpowder Residue"