. . "Rail, Tram and Bus Union" . . . . . "Australian Rail Tram and Bus Industry Union" . "Australian Rail, Tram and Bus Industry Union" . . . . . "Public Transport Union" . . "Australian Railways Union" . "Rail, Tram and Bus Industry Union" . "Locomotive Engine Drivers' and Firemen's Association" . "Tramways Employees Union" . "Australian Rail Tram and Bus Industry Union" . "Rail, Tram & Bus Union" . . "RTBU" . "Rail Tram and Bus Union" . "1993-03-01" . . . . . .