What does hd stand for?
hd stands for "Heinkel Doppeldecker"
How to abbreviate "Heinkel Doppeldecker"?
"Heinkel Doppeldecker" can be abbreviated as hd
What is the meaning of hd abbreviation?
The meaning of hd abbreviation is "Heinkel Doppeldecker"
What does hd mean?
hd as abbreviation means "Heinkel Doppeldecker"
