1975-07-24 /decuslib10-10/01/43,50517/purec.mac 1975-07-24 /decuslib20-06/01/decus/20-153/purec.mac 1979-09-12 /BB-H580C-SB_1981/02/purec.mac 1979-09-12 /ap-c800d-sb/02/purec.mac 1985-09-25 /BB-H580E-SB_1985/03/purec.mac 1985-09-25 /cobol12c/03/purec.mac