AU145931A
(en )
1931-07-30
Improvements in or relating to aerials
AU547831A
(en )
1933-01-06
Improvements in or relating to aerials
AU28931A
(en )
1932-01-28
Improvements in or relating to aerials
AU131631A
(en )
1932-06-30
Improvements in or relating to antenna systems
AU229631A
(en )
1932-06-02
Improvements in or relating to antenna systems
AU2491330A
(en )
1931-01-29
Improvements in or relating to antenna systems
AU2764230A
(en )
1931-07-09
Improvements in or relating to antenna systems
AU304131A
(en )
1932-03-24
Improvements in or relating to paste-pots
AU3831A
(en )
1931-06-04
Improvements in or relating to pulverisers
AU131331A
(en )
1931-06-25
Improvements in or relating to tyre-supporting constructions
AU118331A
(en )
1931-06-25
Improvements in or relating to sectional masts
AU207331A
(en )
1932-08-18
Improvements in or relating to windows
AU119631A
(en )
1931-12-03
Improvements in or relating to condensers
AU423331A
(en )
1932-09-15
Improvements in or relating to refrigeration
AU95131A
(en )
1931-09-10
Improvements in or relating to refrigeration
AU69431A
(en )
1931-10-22
Improvements in or relating to trusses
AU98531A
(en )
1932-03-10
Improvements in or relating to loudspeakers
AU294831A
(en )
1932-08-18
Improvements in or relating to television
AU117931A
(en )
1931-12-03
Improvements in or relating to cameras
AU2538630A
(en )
1930-03-03
Improvements in or relating to carbonmicrophones
AU406631A
(en )
1932-04-14
Improvements in or relating to photocells
AU2982230A
(en )
1931-07-30
Improvements in or relating to refrigerators
AU60431A
(en )
1931-10-22
Improvements in or relating to girders
AU184231A
(en )
1932-06-09
Improvements in or relating to antenna arrangements
AU270431A
(en )
1932-04-28
Improvements in or relating to light signals