What does OBF stand for?

Octave Band Filter

One-Bar Function (OA)

Open Book Fracture - Medicine (MELL)

Operating Basis Flood (SAUS)

Operational Base Facility

Orangeburg Fabricators, Orangeburg, SC - Manufacturer code for watercraft hull identification number (USCG)

Organ Blood Flow - Physiology

Ottawa Board of Education, Library Services Centre (Films) - UTLAS symbol

Output Buffer Full - Computer science (IAA)

The Oregon Brewers Festival - Beer festival