What does PH stand for?
PH stands for "Pratt-Hayford"
How to abbreviate "Pratt-Hayford"?
"Pratt-Hayford" can be abbreviated as PH
What is the meaning of PH abbreviation?
The meaning of PH abbreviation is "Pratt-Hayford"
What does PH mean?
PH as abbreviation means "Pratt-Hayford"