08/1977-02/1983
08/1977-08/1984
12/1979-08/1984
04/1979-08/1984
04/1981-08/1984
04/1981-02/1983
08/1977-04/1982
.GEN ; (8104- )BU20,RU20..TR,V..GEN ; (8302-8408)BU30..T2