What does DDM stand for?
DDM stands for "Davis Deardorff Mine"
How to abbreviate "Davis Deardorff Mine"?
"Davis Deardorff Mine" can be abbreviated as DDM
What is the meaning of DDM abbreviation?
The meaning of DDM abbreviation is "Davis Deardorff Mine"
What does DDM mean?
DDM as abbreviation means "Davis Deardorff Mine"
