What does HRR stand for?
HRR stands for "Rockwell R Hardness Number"
How to abbreviate "Rockwell R Hardness Number"?
"Rockwell R Hardness Number" can be abbreviated as HRR
What is the meaning of HRR abbreviation?
The meaning of HRR abbreviation is "Rockwell R Hardness Number"
What does HRR mean?
HRR as abbreviation means "Rockwell R Hardness Number"