What does PPMd stand for?
PPMd stands for "Polished Plate Micrometeoriod Debris"
How to abbreviate "Polished Plate Micrometeoriod Debris"?
"Polished Plate Micrometeoriod Debris" can be abbreviated as PPMd
What is the meaning of PPMd abbreviation?
The meaning of PPMd abbreviation is "Polished Plate Micrometeoriod Debris"
What does PPMd mean?
PPMd as abbreviation means "Polished Plate Micrometeoriod Debris"
