What does QTB stand for?
QTB stands for "Quarry Tile Base"
How to abbreviate "Quarry Tile Base"?
"Quarry Tile Base" can be abbreviated as QTB
What is the meaning of QTB abbreviation?
The meaning of QTB abbreviation is "Quarry Tile Base"
What does QTB mean?
QTB as abbreviation means "Quarry Tile Base"
