What does SUM stand for?
SUM stands for "Sony U-Matic Videotape"
How to abbreviate "Sony U-Matic Videotape"?
"Sony U-Matic Videotape" can be abbreviated as SUM
What is the meaning of SUM abbreviation?
The meaning of SUM abbreviation is "Sony U-Matic Videotape"
What does SUM mean?
SUM as abbreviation means "Sony U-Matic Videotape"