What does PPD stand for?
PPD stands for "Para Phenylene Diamine"
How to abbreviate "Para Phenylene Diamine"?
"Para Phenylene Diamine" can be abbreviated as PPD
What is the meaning of PPD abbreviation?
The meaning of PPD abbreviation is "Para Phenylene Diamine"
What does PPD mean?
PPD as abbreviation means "Para Phenylene Diamine"
