AU146710B2
(en )
Improvements in or relating to communication systems
AU147172B2
(en )
1947-08-14
Improvements in or relating to telecommunication systems
AU140038B2
(en )
1947-08-28
Improvements in or relating to radio communication systems
AU143721B2
(en )
1947-12-18
Improvements in or relating to long distance telecommunication systems
AU1370947A
(en )
1947-08-14
Improvements in or relating to telecommunication systems
AU137101B2
(en )
1947-06-26
improvements relating to communication systems
AU138440B2
(en )
1947-03-18
Improvements in or relating to antenna systems
AU138287B2
(en )
1947-08-07
Improvements in or relating to duplex communicating systems
AU1400247A
(en )
1947-08-28
Improvements in or relating to radio communication systems
AU136945B2
(en )
1947-04-17
Improvements in or relating to radio receiving systems
AU136702B2
(en )
1947-04-17
Improvements in or relating to radio transmission systems
AU1648247A
(en )
1947-12-18
Improvements in or relating to long distance telecommunication systems
AU139166B2
(en )
1947-07-31
Improvements in or relating to long distance telephone exchange systems
AU138095B2
(en )
1947-01-30
Improvements in or relating to party-line telephone systems
AU1230447A
(en )
1947-06-26
improvements relating to communication systems
AU140365B2
(en )
1947-07-03
Improvements in or relating to signalling in telephone systems
AU140822B2
(en )
1947-10-16
Improvements in or relating to electric impulse communication systems
AU1839648A
(en )
1947-03-18
Improvements in or relating to antenna systems
AU1352247A
(en )
1947-08-07
Improvements in or relating to duplex communicating systems
AU141396B2
(en )
1947-08-28
Improvements in or relating to radio relay systems
AU134098B2
(en )
1946-06-05
Improvements in or relating to telephone systems
AU137312B2
(en )
1946-08-23
Improvements in or relating to telephone systems
AU136519B2
(en )
1946-10-10
Improvements in or relating to telephone systems
AU136464B2
(en )
1946-05-06
Improvements in or relating to telephone systems
AU136277B2
(en )
1946-07-01
Improvements in or relating to telephone systems