. . "18 March 1939" . "Patent Office" . . . "12 August 1940" . . "1940-09-07" . . . . . . . "1 August 1939" . . "Robert Marsden Hope Building" . "2" . . . . "2 National Circuit,,Canberra,Australian Capital Territory" . . . "Built" . "Robert Marsden Hope Building" . . . .