What does SL stand for?
SL stands for "Schwalbe's line"
How to abbreviate "Schwalbe's line"?
"Schwalbe's line" can be abbreviated as SL
What is the meaning of SL abbreviation?
The meaning of SL abbreviation is "Schwalbe's line"
What does SL mean?
SL as abbreviation means "Schwalbe's line"
