08/1984-08/1988
08/1985-08/1988
08/1987-08/1988
08/1983-08/1987
08/1983-08/1988
08/1985-08/1987
09/1983-08/1988
N50..SR5 ; (8308- )RN55..4F,4FC..W ; (8308- )RN55..SR5,SRT..CBU