What does PPWG stand for?
PPWG stands for "Planetary Protection Working Group"
How to abbreviate "Planetary Protection Working Group"?
"Planetary Protection Working Group" can be abbreviated as PPWG
What is the meaning of PPWG abbreviation?
The meaning of PPWG abbreviation is "Planetary Protection Working Group"
What does PPWG mean?
PPWG as abbreviation means "Planetary Protection Working Group"
