What does DDN stand for?
DDN stands for "Design Drafting Numerical"
How to abbreviate "Design Drafting Numerical"?
"Design Drafting Numerical" can be abbreviated as DDN
What is the meaning of DDN abbreviation?
The meaning of DDN abbreviation is "Design Drafting Numerical"
What does DDN mean?
DDN as abbreviation means "Design Drafting Numerical"