. "OCD" . "Dial OCR" . "1972-12-31" . . . . . . . . . . . . "1954" . . "Office of Civil Defense" . "Office of Civil Defense (Philippines)" . . "Office of Civil Defense (Philippines)" . . "Office of the Civil Defense in the country" . . . "1954-08-18" . "Philippines Office of Civil Defense" . "1972" . "Office of the Civil Defense" .