What does APTD stand for?
APTD stands for "Air Pollution Technical Document"
How to abbreviate "Air Pollution Technical Document"?
"Air Pollution Technical Document" can be abbreviated as APTD
What is the meaning of APTD abbreviation?
The meaning of APTD abbreviation is "Air Pollution Technical Document"
What does APTD mean?
APTD as abbreviation means "Air Pollution Technical Document"