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Dec 21, 2012 Grupo Aeroportuario del Centro Norte, S.A.B. de C.V. (OMA) - Books Closed Announcement View PDF
Dec 11, 2012 Grupo Aeroportuario del Centro Norte, S.A.B. de C.V. (OMA) - Books Re-opened Announcement View PDF
Nov 27, 2012 Grupo Aeroportuario del Centro Norte, S.A.B. de C.V. (OMA) - Books Closed Announcement View PDF
May 29, 2012 Grupo Aeroportuario del Centro Norte, S.A.B. de C.V. (OMA) - Books Re-opened for Issuance View PDF
May 25, 2012 Grupo Aerportuario del Centro Norte, S.A.B. de C.V. (OMA) - Books Closed for Issuance View PDF