What does SUM stand for?
SUM stands for "Small Submarine Underwater Module"
How to abbreviate "Small Submarine Underwater Module"?
"Small Submarine Underwater Module" can be abbreviated as SUM
What is the meaning of SUM abbreviation?
The meaning of SUM abbreviation is "Small Submarine Underwater Module"
What does SUM mean?
SUM as abbreviation means "Small Submarine Underwater Module"
