1979-04-30 /BB-J939B-BM/01/binary/reg1ab.mac 1982-02-24 /BB-J941C-BB_A19/02/reg1ab.mac 1982-02-24 /BB-J941C-BB_A19/04/reg1ab.mac 1984-02-01 /BB-J939D-BM/01/binary/reg1ab.mac 1984-02-01 /BB-J941D-BB/02/reg1ab.mac 1984-02-01 /BB-J941D-BB/04/reg1ab.mac 1984-11-09 /BB-J939E-BM/01/binary/reg1ab.mac