08/1977-02/1983
08/1977-08/1984
08/1977-04/1981
12/1979-08/1984
08/1980-04/1981
12/1979-04/1981
04/1979-08/1984
08/1977-08/1980
08/1977-04/1982
104)BU2#,30,RU2#,30..WT..GEN ; (8104-8408)BU23,31