AU108729B2
(en )
1939-10-19
Improvements in and relating to thermionic valve apparatus
AU435038A
(en )
1939-10-19
Improvements in and relating to thermionic valve apparatus
AU105812B2
(en )
1938-11-24
Improvements in and relating to kinematograph apparatus
AU106108B2
(en )
1938-12-22
Improvements in and relating to airconditioning apparatus
AU232938A
(en )
1938-11-24
Improvements in and relating to kinematograph apparatus
AU107220B2
(en )
1939-05-04
Improvements in and relating to aneurin
AU107881B2
(en )
1939-07-13
Improvements in and relating to doorlocks
AU106486B2
(en )
1939-02-09
Improvements in or relating to thermionic valves
AU108192B2
(en )
1939-08-17
Improvements in or relating to thermionic valves
AU106590B2
(en )
1939-02-23
Improvements in or relating to thermionic valves
AU99738A
(en )
1938-12-22
Improvements in and relating to airconditioning apparatus
AU305238A
(en )
1939-05-04
Improvements in and relating to aneurin
AU275238A
(en )
1939-07-13
Improvements in and relating to doorlocks
AU29138A
(en )
1939-02-09
Improvements in or relating to thermionic valves
AU332838A
(en )
1939-08-17
Improvements in or relating to thermionic valves
AU48638A
(en )
1939-02-23
Improvements in or relating to thermionic valves
GB510703A
(en )
1939-08-04
Improvements in thermionic valves
AU108953B2
(en )
1939-11-16
Improvements in and relating to spraying apparatus
AU107861B2
(en )
1939-07-13
Improvements in or relating to filaturing or silk-reeling apparatus
AU107838B2
(en )
1939-07-13
Improvements in and relating to steels
AU112152B2
(en )
Improvements in and relating to absorption-refrigerating apparatus
AU111681B2
(en )
1939-03-29
Improvements in and relating to absorption-refrigerating apparatus
AU108525B2
(en )
Improvements in thermionic valve amplifier arrangements
AU108040B2
(en )
1939-08-03
Improvements in totalizators
AU107000B2
(en )
Improvements in and relating to pumps