What does ppm stand for?
ppm stands for "Periodic Permanent Magnetic"
How to abbreviate "Periodic Permanent Magnetic"?
"Periodic Permanent Magnetic" can be abbreviated as ppm
What is the meaning of ppm abbreviation?
The meaning of ppm abbreviation is "Periodic Permanent Magnetic"
What does ppm mean?
ppm as abbreviation means "Periodic Permanent Magnetic"
