AU481831A
(en )
1932-02-18
Improvements in or relating to thermionic valves
AU601032A
(en )
1933-02-16
Improvements in or relating to thermionic valves
AU701032A
(en )
1933-04-27
Improvements in or relating to thermionic valves
AU103831A
(en )
1932-04-14
Improvements in or relating to thermionic valves
AU1023232A
(en )
1933-09-02
Improvements in or relating to valves
AU832932A
(en )
1933-08-03
Improvements in or relating to thermionic valve circuits
AU1112733A
(en )
1934-02-08
Improvements in or relating to thermionic valves
AU1293933A
(en )
1934-10-11
Improvements in or relating to thermionic valves
AU1413833A
(en )
1934-11-22
Improvements in or relating to thermionic valves
AU1441833A
(en )
1934-12-31
Improvements in or relating to thermionic valves
AU1565133A
(en )
1934-12-31
Improvements in or relating to thermionic valves
AU1015732A
(en )
1934-03-01
Improvements in or relating to thermionic values
AU153131A
(en )
1931-09-25
Improvements in or relating to thermionic valves
AU101476B2
(en )
1937-07-08
Improvements in or relating to thermionic valves
AU101478B2
(en )
1936-05-10
Improvements in or relating to thermionic valves andthe like
AU1788134A
(en )
1935-10-03
Improvements in or relating to thermionic valves
AU1798534A
(en )
1935-06-27
Improvements in or relating to thermionic valves
AU2019234A
(en )
1936-02-20
Improvements in or relating to thermionic valves
AU684732A
(en )
1932-09-23
Improvements relating to valves
AU382431A
(en )
1932-09-08
Improvements in or relating to thermionic amplifiers
AU584732A
(en )
1933-02-02
Improvements in or relating to thermionic amplifiers
AU987832A
(en )
1933-11-02
Improvements in or relating to thermionic amplifiers
AU488336A
(en )
1937-07-08
Improvements in or relating to thermionic valves
AU1710734A
(en )
1935-04-18
Improvements in or relating to thermionic valve arrangements
AU7231A
(en )
1932-01-14
Improvements in or relating to thermionic valves and cathodes for use therein