12/1979-04/1981
08/1977-08/1984
08/1980-08/1984
08/1977-04/1981
04/1979-08/1984
08/1977-02/1983
03/1978-02/1983
(7708-8008)DMP,TR ; (8008-8408)BU20,32,HU30,RU30