What does hm stand for?
hm stands for "Hydra-Matic"
How to abbreviate "Hydra-Matic"?
"Hydra-Matic" can be abbreviated as hm
What is the meaning of hm abbreviation?
The meaning of hm abbreviation is "Hydra-Matic"
What does hm mean?
hm as abbreviation means "Hydra-Matic"
