1969-09-03 /decus_20tap2_198111/01/decus/20-0027/demo.exe 1969-09-03 /decuslib20-02/01/decus/20-0027/demo.exe 1977-05-26 /AP-D471B-SB_1978/01/demo.exe 1981-02-22 /decuslib20-03/01/decus/20-0088/demo.exe