Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 4W-B is...

4W-B is

  • Four Wire, Base mounted smoke detector

4W-B is also in:

Acronym Definition Searched: ROP INR IIT 62616 AVL CPOG CS UUD CSC 15963 SHGPF OR (CVM) ATQ CYT P