What does etrf stand for?
etrf stands for "European Terrestrial Reference Frame"
How to abbreviate "European Terrestrial Reference Frame"?
"European Terrestrial Reference Frame" can be abbreviated as etrf
What is the meaning of etrf abbreviation?
The meaning of etrf abbreviation is "European Terrestrial Reference Frame"
What does etrf mean?
etrf as abbreviation means "European Terrestrial Reference Frame"