What does ppm stand for?
ppm stands for "potential pathogenic mycobacteria"
How to abbreviate "potential pathogenic mycobacteria"?
"potential pathogenic mycobacteria" can be abbreviated as ppm
What is the meaning of ppm abbreviation?
The meaning of ppm abbreviation is "potential pathogenic mycobacteria"
What does ppm mean?
ppm as abbreviation means "potential pathogenic mycobacteria"
