1979-02-22 /ap-c800d-sb/04/cobol.tec 1979-02-22 /ap-c800d-sb/05/cobol.tec 1981-05-19 /BB-H580C-SB_1981/02/cobol.tec 1981-05-19 /BB-H580C-SB_1981/04/cobol.tec 1981-05-19 /BB-H580C-SB_1981/05/cobol.tec 1981-05-19 /BB-H580C-SB_1981/06/cobol.tec 1981-05-19 /BB-H580C-SB_1981/07/cobol.tec 1985-10-02 /BB-H580E-SB_1985/03/cobol.tec 1985-10-02 /cobol12c/03/cobol.tec