What does hn stand for?
hn stands for "Höhen-Null"
How to abbreviate "Höhen-Null"?
"Höhen-Null" can be abbreviated as hn
What is the meaning of hn abbreviation?
The meaning of hn abbreviation is "Höhen-Null"
What does hn mean?
hn as abbreviation means "Höhen-Null"
