What does PPAC stand for?
PPAC stands for "Principal Point of Autocollimation"
How to abbreviate "Principal Point of Autocollimation"?
"Principal Point of Autocollimation" can be abbreviated as PPAC
What is the meaning of PPAC abbreviation?
The meaning of PPAC abbreviation is "Principal Point of Autocollimation"
What does PPAC mean?
PPAC as abbreviation means "Principal Point of Autocollimation"
