KRB

KRB is an abbreviation for:

Kartell Roter Frschenschaften , an amalgamation of dutiful fraternities
RWE-Bayernwerk GmbH nuclear power plant , former shareholder name of the Gundremmingen nuclear power plant

Rudolfsbahn , is derived from the kk priv. Kronprinz Rudolf-Bahn Gesellschaft , railway line in Austria