What does ECHO stand for?
ECHO stands for "European Cities of Historical Organs"
How to abbreviate "European Cities of Historical Organs"?
"European Cities of Historical Organs" can be abbreviated as ECHO
What is the meaning of ECHO abbreviation?
The meaning of ECHO abbreviation is "European Cities of Historical Organs"
What does ECHO mean?
ECHO as abbreviation means "European Cities of Historical Organs"
