08/1978-07/1983
05/1980-07/1983
08/1981-07/1983
08/1978-08/1981
01/1979-07/1983
01/1979-08/1981
01/1981-08/1982
.GEN ; (7808-8108)LN30,40,RN30,31,40 ; (7901- )LN36,46,RN36,46..GEN,ME