AU112901B2
(en )
1941-04-24
Improvements in radio direction finders
AU113257B2
(en )
1941-06-19
Improvements in radio direction finders
AU228240A
(en )
1941-06-19
Improvements in radio direction finders
AU98540A
(en )
1941-04-24
Improvements in radio direction finders
AU113092B2
(en )
1941-05-29
Improvements in or relating to radio direction finders
AU110917B2
(en )
1940-07-11
Improvements in or relating to radio direction finders
AU114298B2
(en )
1941-12-11
Improvements in directional receivers
CA391010A
(en )
1940-09-03
Radio direction finder
AU113239B2
(en )
Improvements in radio altimeters
AU292539A
(en )
1940-07-11
Improvements in or relating to radio direction finders
AU193240A
(en )
1941-05-29
Improvements in or relating to radio direction finders
AU113749B2
(en )
1941-09-04
Improvements in wireless receiving systems
AU413840A
(en )
1941-12-11
Improvements in directional receivers
AU114012B2
(en )
1941-10-23
Improvements in radio beacons
AU112499B2
(en )
1941-02-20
Improvements in or relating to direction finding radio receivers
AU114020B2
(en )
Improvement in antenna systems
AU112686B2
(en )
Improvements in or relating to radio direction finding apparatus
AU112423B2
(en )
1941-02-06
Improvements relating to radio direction finding
AU112448B2
(en )
1941-02-13
Improvements in navigational devices
AU75640A
(en )
1941-09-04
Improvements in wireless receiving systems
CA389770A
(en )
1940-07-02
Antenna system
CA387292A
(en )
1940-03-05
Antenna system
CA393241A
(en )
1940-12-17
Antenna system
AU366240A
(en )
1941-10-23
Improvements in radio beacons
AU48640A
(en )
1941-02-20
Improvements in or relating to direction finding radio receivers