What does DEF stand for?
DEF stands for "Derwentside Engineering Forum"
How to abbreviate "Derwentside Engineering Forum"?
"Derwentside Engineering Forum" can be abbreviated as DEF
What is the meaning of DEF abbreviation?
The meaning of DEF abbreviation is "Derwentside Engineering Forum"
What does DEF mean?
DEF as abbreviation means "Derwentside Engineering Forum"
