What does HPR stand for?
HPR stands for "High Power Rocketry"
How to abbreviate "High Power Rocketry"?
"High Power Rocketry" can be abbreviated as HPR
What is the meaning of HPR abbreviation?
The meaning of HPR abbreviation is "High Power Rocketry"
What does HPR mean?
HPR as abbreviation means "High Power Rocketry"
