What does PRGB stand for?
PRGB stands for "Proprotor Gearbox"
How to abbreviate "Proprotor Gearbox"?
"Proprotor Gearbox" can be abbreviated as PRGB
What is the meaning of PRGB abbreviation?
The meaning of PRGB abbreviation is "Proprotor Gearbox"
What does PRGB mean?
PRGB as abbreviation means "Proprotor Gearbox"
