What does PPD stand for?
PPD stands for "p-phenylenediamine dihydrochloride"
How to abbreviate "p-phenylenediamine dihydrochloride"?
"p-phenylenediamine dihydrochloride" can be abbreviated as PPD
What is the meaning of PPD abbreviation?
The meaning of PPD abbreviation is "p-phenylenediamine dihydrochloride"
What does PPD mean?
PPD as abbreviation means "p-phenylenediamine dihydrochloride"
