What does PPD stand for?
PPD stands for "P Phenylenediamine Developing"
How to abbreviate "P Phenylenediamine Developing"?
"P Phenylenediamine Developing" can be abbreviated as PPD
What is the meaning of PPD abbreviation?
The meaning of PPD abbreviation is "P Phenylenediamine Developing"
What does PPD mean?
PPD as abbreviation means "P Phenylenediamine Developing"
