1988-09-01 /bb-bt99n-bb/01/dortf.x20 1988-11-29 /bb-jr93g-bb/20/7,6/ap020/dortf.x20 1988-11-29 /bb-jr93h-bb/20/7,6/ap020/dortf.x20 1988-11-29 /bb-jr93i-bb/20/7,6/ap020/dortf.x20 1988-11-29 /bb-jr93j-bb/20/7,6/ap020/dortf.x20