What does HH stand for?
HH stands for "Halogenated hydrocarbons"
How to abbreviate "Halogenated hydrocarbons"?
"Halogenated hydrocarbons" can be abbreviated as HH
What is the meaning of HH abbreviation?
The meaning of HH abbreviation is "Halogenated hydrocarbons"
What does HH mean?
HH as abbreviation means "Halogenated hydrocarbons"
