What does OPTR stand for?
OPTR stands for "Orifice Pulse Tube Refrigerator"
How to abbreviate "Orifice Pulse Tube Refrigerator"?
"Orifice Pulse Tube Refrigerator" can be abbreviated as OPTR
What is the meaning of OPTR abbreviation?
The meaning of OPTR abbreviation is "Orifice Pulse Tube Refrigerator"
What does OPTR mean?
OPTR as abbreviation means "Orifice Pulse Tube Refrigerator"
