08/1977-08/1984
08/1977-04/1982
08/1977-02/1983
08/1977-08/1980
08/1977-04/1981
11/1979-04/1981
11/1979-08/1984
(7708- )BU2#,30,31,32,HU30,JU20,RU2#,30