AU107237B2
(en )
1939-05-04
Improvements in or relating to radio apparatus including amplifier tubes subjected to large grid voltage swings
AU165238A
(en )
1939-05-04
Improvements in or relating to radio apparatus including amplifier tubes subjected to large grid voltage swings
AU108536B2
(en )
Improvements in or relating to high voltage apparatus
GB508712A
(en )
1939-07-05
Improvements in or relating to cathode ray tube apparatus
AU102764B2
(en )
1938-01-10
Improvements in or relating to cathode ray tubes and apparatus comprising them
AU106112B2
(en )
1938-12-22
Improvements in or relating to radio-receiving apparatus
AU108729B2
(en )
1939-10-19
Improvements in and relating to thermionic valve apparatus
AU106108B2
(en )
1938-12-22
Improvements in and relating to airconditioning apparatus
AU110946B2
(en )
Improvements in or relating to high frequency electron discharge device amplifiers
AU106454B2
(en )
1939-02-02
Improvements in or relating to thermionic amplifiers
AU106354B2
(en )
1939-01-26
Improvements in or relating to thermionic amplifiers
AU106633B2
(en )
1939-03-02
Improvements in or relating to thermionic amplifiers
AU523736A
(en )
1938-01-10
Improvements in or relating to cathode ray tubes and apparatus comprising them
AU105812B2
(en )
1938-11-24
Improvements in and relating to kinematograph apparatus
AU306938A
(en )
1938-12-22
Improvements in or relating to radio-receiving apparatus
AU112390B2
(en )
1939-07-20
Improvements in and relating to electron tubes
AU435038A
(en )
1939-10-19
Improvements in and relating to thermionic valve apparatus
AU99738A
(en )
1938-12-22
Improvements in and relating to airconditioning apparatus
AU107861B2
(en )
1939-07-13
Improvements in or relating to filaturing or silk-reeling apparatus
AU10038A
(en )
1939-01-26
Improvements in or relating to thermionic amplifiers
AU108208B2
(en )
1939-08-24
Improvements in or relating to electron discharge tube amplifiers
AU106760B2
(en )
1939-03-09
Improvement in broadband amplifier
AU107634B2
(en )
Improvements in or relating to cathode ray tubes
AU108352B2
(en )
1939-09-07
Improvements in or relating to cathode ray tubes
AU109363B2
(en )
1939-12-02
Improvements in or relating to cathode ray tubes