What does PFRS stand for?
PFRS stands for "Portable Frequency Rubidium Standard"
How to abbreviate "Portable Frequency Rubidium Standard"?
"Portable Frequency Rubidium Standard" can be abbreviated as PFRS
What is the meaning of PFRS abbreviation?
The meaning of PFRS abbreviation is "Portable Frequency Rubidium Standard"
What does PFRS mean?
PFRS as abbreviation means "Portable Frequency Rubidium Standard"
