1981-02-18 /BB-H580C-SB_1981/11/cbl74.ver 1981-07-07 /BB-H506D-SM_1983/01/uetp/lib/cbl74.ver 1983-10-24 /k20v7d/01/uetp/lib/cbl74.ver 1983-10-24 /tops20_v6_1_tcpip_installation_tp_ft6/06/uetp/lib/cbl74.ver 1985-09-25 /BB-H580E-SB_1985/08/cbl74.ver 1985-09-25 /cobol12c/08/cbl74.ver 1985-10-03 /BB-H506E-SM/01/uetp/lib/cbl74.ver