What does NBD stand for?
NBD stands for "non-backdraft damper"
How to abbreviate "non-backdraft damper"?
"non-backdraft damper" can be abbreviated as NBD
What is the meaning of NBD abbreviation?
The meaning of NBD abbreviation is "non-backdraft damper"
What does NBD mean?
NBD as abbreviation means "non-backdraft damper"
