1988-12-12 /bb-bt99o-bb/01/pat121.dpd 1989-01-12 /bb-jr93h-bb/21/7,6/ap021/pat121.dpd 1989-01-12 /bb-jr93i-bb/21/7,6/ap021/pat121.dpd 1989-01-12 /bb-jr93j-bb/21/7,6/ap021/pat121.dpd