What does DDR stand for?
DDR stands for "Directional Drilling Regulations"
How to abbreviate "Directional Drilling Regulations"?
"Directional Drilling Regulations" can be abbreviated as DDR
What is the meaning of DDR abbreviation?
The meaning of DDR abbreviation is "Directional Drilling Regulations"
What does DDR mean?
DDR as abbreviation means "Directional Drilling Regulations"
