1987-07-31 /bb-bt99l-bb/01/msfil.x18 1987-07-31 /bb-jr93e-bb/18/7,6/ap018/msfil.x18 1988-02-12 /bb-kl11f-bm_tops20_v7_0_atpch1_19/01/autopatch/msfil.x18 1988-02-12 /bb-kl11i-bm_tops20_v7_0_atpch_1-22/01/autopatch/msfil.x18 1988-02-12 /bb-l014r-bm_tops20_v6_1_atpch_18/01/autopatch/msfil.x18 1988-10-05 /bb-jr93f-bb/18/7,6/ap018/msfil.x18 1988-10-05 /bb-jr93g-bb/18/7,6/ap018/msfil.x18 1988-10-05 /bb-jr93h-bb/18/7,6/ap018/msfil.x18 1988-10-05 /bb-jr93i-bb/18/7,6/ap018/msfil.x18 1988-10-05 /bb-jr93j-bb/18/7,6/ap018/msfil.x18