Designation of Engr. OSCAR CRISTOBAL as OIC-Chief Maintenance Division, Region V Category: Department OrderSub Category: areas-responsibilities-authority-designationSeries: 1989No: 74File: DO_074_S1989.pdfDate: Tuesday, June 6, 1989Tags: Designation OSCAR CRISTOBAL OIC-Chief Maintenance V 074 Read more about Designation of Engr. OSCAR CRISTOBAL as OIC-Chief Maintenance Division, Region V