08/1984-08/1988
08/1985-08/1988
08/1987-08/1988
09/1983-08/1988
08/1986-08/1988
08/1988-01/1992
08/1985-12/1989
508- )RN67,YN51,52,56,57,58,6#..4F,5F,5H