Designation of Engr. ALEXANDER G. DUHIG as Chief, Maintenance Division, DPWH Region IX. Category: Special OrderSub Category: areas-responsibilities-authority-designationSeries: 2010No: 55File: SO_055_S2010.pdfDate: Wednesday, March 3, 2010Tags: Designation ALEXANDER G. DUHUG Chief Maintenance Div IX. 055Region: Region IX Read more about Designation of Engr. ALEXANDER G. DUHIG as Chief, Maintenance Division, DPWH Region IX.