AU427331A
(en )
1932-10-06
Improvements in or relating to shortwave aerial systems
AU2755830A
(en )
1931-07-09
improvements in or relating to receiving aerial systems
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
AU2692430A
(en )
1931-06-04
Improvements in or relating to aerial systems
AU2807030A
(en )
1931-08-06
Improvements in or relating to aerial systems
AU476931A
(en )
1932-11-10
Improvements in or relating to shortwave oscillatory systems
AU517631A
(en )
1932-12-08
Improvements in or relating" to aerial systems
AU263731A
(en )
1932-05-19
Improvements in or relating to radio-communication systems
AU121631A
(en )
1932-03-24
Improvements in or relating to telegraph systems
AU353131A
(en )
1931-12-10
Improvements in or relating to directional aerial systems
AU331131A
(en )
1932-08-11
Improvements in or relating to high frequency rectifying systems
AU2807830A
(en )
1931-08-06
Improvements in or relating to wave-signalling systems
AU1824729A
(en )
1929-09-03
Improvements in or relating to aerial systems
AU1830529A
(en )
1929-08-27
Improvements in or relating to aerial systems
AU2246429A
(en )
1937-01-06
Improvements in or relating to aerial systems
AU2892930A
(en )
1931-01-10
Improvements in or relating to television receiving systems
AU2755630A
(en )
1931-07-09
Improvements in or relating to modulating systems
AU2520030A
(en )
1931-02-26
Improvements in or relating to television systems
AU2547930A
(en )
1931-05-14
Improvements in or relating to television systems
AU2556830A
(en )
1931-06-18
Improvements in or relating to television systems
AU2743030A
(en )
1931-07-02
Improvements in or relating to television systems
AU3035530A
(en )
1931-12-03
Improvements in or relating to television systems