What does SSDC stand for?

SSDC stands for "Signalling Systems Direct Current"

How to abbreviate "Signalling Systems Direct Current"?

"Signalling Systems Direct Current" can be abbreviated as SSDC

What is the meaning of SSDC abbreviation?

The meaning of SSDC abbreviation is "Signalling Systems Direct Current"

What does SSDC mean?

SSDC as abbreviation means "Signalling Systems Direct Current"