What does RNO stand for?
RNO stands for "Risley Number One"
How to abbreviate "Risley Number One"?
"Risley Number One" can be abbreviated as RNO
What is the meaning of RNO abbreviation?
The meaning of RNO abbreviation is "Risley Number One"
What does RNO mean?
RNO as abbreviation means "Risley Number One"