A627, 4003/1951

Application for Letters Patent for an invention by Fritz Otto Wienert , titled - Improvements relating to the treatment of materials and to a rotating kiln for such purposes

closed

access status

on 1 January 2016
73.35890410958905

years old

based on date of earliest content
yes

in the open period

based on date of latest content
21

years since

the access decision was made
Details as harvested on 1 January 2016
Item barcode 5026760
Part of series A627
Control symbol 4003/1951
Title Application for Letters Patent for an invention by Fritz Otto Wienert , titled - Improvements relating to the treatment of materials and to a rotating kiln for such purposes
Contents dates 1951 - 1954
Location Canberra
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Why is this file closed?

On 8 August 2003 it was decided that you could not see this file for the following reasons:

  • 33(1)(h)
    ‘Information or matter relating to trade secrets’