What does OLSs stand for?
OLSs stands for "Optical Line Systems"
How to abbreviate "Optical Line Systems"?
"Optical Line Systems" can be abbreviated as OLSs
What is the meaning of OLSs abbreviation?
The meaning of OLSs abbreviation is "Optical Line Systems"
What does OLSs mean?
OLSs as abbreviation means "Optical Line Systems"
