Bundesstraße 23 (abbreviated to B 23) is a German federal highway (German: Bundesstraße) in Bavaria that runs from Peiting to the Austrian border near Garmisch-Partenkirchen.
The Douglas B-23 Dragon is an American twin-engined bomber developed by the Douglas Aircraft Company as a successor to (and a refinement of) the Douglas B-18 Bolo.
The County-Designated Highways in Michigan comprise a system of primary county roads across the US state of Michigan.
Nucleophosmin (NPM), also known as nucleolar phosphoprotein B23 or numatrin, is a protein that in humans is encoded by the NPM1 gene.
The Volvo B21 is a slant straight-4 engine first used in the Volvo 200 series, meant to replace the B20.