What does HDRTN stand for?
HDRTN stands for "hydrographic department royal thai navy"
How to abbreviate "hydrographic department royal thai navy"?
"hydrographic department royal thai navy" can be abbreviated as HDRTN
What is the meaning of HDRTN abbreviation?
The meaning of HDRTN abbreviation is "hydrographic department royal thai navy"
What does HDRTN mean?
HDRTN as abbreviation means "hydrographic department royal thai navy"
