What does B4 stand for?
What does B4 mean? This page is about the various possible meanings of the acronym, abbreviation or slang term: B4.
Nuts and Bolts file (Helix)
What does B4 mean?
- paper size defined by ISO 216 as 250mm u00D7 353mm or 9.8 in u00D7 13.9 in.