What does SPIS stand for?
SPIS stands for "Sound Powered Intercom System"
How to abbreviate "Sound Powered Intercom System"?
"Sound Powered Intercom System" can be abbreviated as SPIS
What is the meaning of SPIS abbreviation?
The meaning of SPIS abbreviation is "Sound Powered Intercom System"
What does SPIS mean?
SPIS as abbreviation means "Sound Powered Intercom System"
