What does HDNO stand for?
HDNO stands for "Head Department of Navigation and Oceanography"
How to abbreviate "Head Department of Navigation and Oceanography"?
"Head Department of Navigation and Oceanography" can be abbreviated as HDNO
What is the meaning of HDNO abbreviation?
The meaning of HDNO abbreviation is "Head Department of Navigation and Oceanography"
What does HDNO mean?
HDNO as abbreviation means "Head Department of Navigation and Oceanography"
