What does SDF stand for?
SDF stands for "Simplified Directional Facility"
How to abbreviate "Simplified Directional Facility"?
"Simplified Directional Facility" can be abbreviated as SDF
What is the meaning of SDF abbreviation?
The meaning of SDF abbreviation is "Simplified Directional Facility"
What does SDF mean?
SDF as abbreviation means "Simplified Directional Facility"