AU110648B2
(en )
1940-05-30
Improvements in or relating to current control systems
AU221239A
(en )
1940-05-30
Improvements in or relating to current control systems
AU109146B2
(en )
1939-11-30
Improvements in or relating to current control system
AU79739A
(en )
1939-11-30
Improvements in or relating to current control system
AU107303B2
(en )
1939-05-11
Improvements in or relating to traffic control systems
AU111105B2
(en )
1940-08-01
Improvements in or relating to electrical remote control systems
AU106869B2
(en )
1939-03-23
Improvements in or relating to remote control systems
AU373238A
(en )
1939-05-11
Improvements in or relating to traffic control systems
AU283839A
(en )
1940-08-01
Improvements in or relating to electrical remote control systems
AU112027B2
(en )
1940-12-12
Improvements in or relating to absorption-refrigerating systems
AU114488B2
(en )
1939-12-28
Improvements in or relating to constant current modulation systems
AU94438A
(en )
1939-03-23
Improvements in or relating to remote control systems
AU111519B2
(en )
Improvements in or relating to automatic volume control systems
AU108444B2
(en )
1939-09-14
Improvements in traffic control systems
AU537539A
(en )
1940-12-12
Improvements in or relating to absorption-refrigerating systems
AU565639A
(en )
1939-12-28
Improvements in or relating to constant current modulation systems
AU112258B2
(en )
1941-01-09
Improvements in or relating to electric signalling systems
AU109967B2
(en )
1940-03-14
Improvements in or relating to electric signalling systems
AU111756B2
(en )
1939-04-09
Improvements in or relating to electric signalling systems
AU111668B2
(en )
1940-10-10
Improvements in or relating to modulation systems
AU103972B2
(en )
1938-05-26
Improvements in or relating to electric control systems
AU88939A
(en )
1939-09-14
Improvements in traffic control systems
AU108932B2
(en )
Improvements in or relating to voltage regulators
AU104802B2
(en )
1938-08-25
Improvements in or relating to electric signalling or control systems
GB538576A
(en )
1941-08-08
Improvements in or relating to electric illumination control systems