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