What does OPE stand for?
OPE stands for "Oscillating Piston Engine"
How to abbreviate "Oscillating Piston Engine"?
"Oscillating Piston Engine" can be abbreviated as OPE
What is the meaning of OPE abbreviation?
The meaning of OPE abbreviation is "Oscillating Piston Engine"
What does OPE mean?
OPE as abbreviation means "Oscillating Piston Engine"
