What does it mean?
Technology
Business
Society
Internet
Authority
Science
Various
World
Medical
APF
means All-Pass Filter in
NASA
Similar to APF
ABU
- Analog Back- Up
ABU
- After Body Unit
ABUP
- Auxiliary Back- Up Plate
ABV
- Above
ABV
- Air Bubble Vehicle
AC
- Aerodynamic Center
AC
- Comptroller Office
View all in NASA