GB469197A
(en )
1937-07-21
Improvements in loudspeakers
AU102651B2
(en )
Improvements in or relating to loudspeakers
AU43536A
(en )
1936-12-10
Improvements in or relating to microphones
AU102535B2
(en )
1937-12-02
Improvements in or relating to photosculpture
AU102709B2
(en )
1937-12-23
Improvements in or relating to telegraphones
AU102777B2
(en )
1938-01-13
Improvements in or relating to photosculpture
AU104278B2
(en )
1936-12-27
Improvement in loudspeaker
AU516636A
(en )
1937-12-23
Improvements in or relating to telegraphones
AU479236A
(en )
1938-01-13
Improvements in or relating to photosculpture
AU479136A
(en )
1937-12-02
Improvements in or relating to photosculpture
AU100420B2
(en )
1937-03-11
Improvements in flytraps
AU100906B2
(en )
1937-05-13
Improvements in alloysteels
AU102216B2
(en )
Improvements in harvester-thresher
AU521636A
(en )
1936-12-27
Improvement in loudspeaker
AU100435B2
(en )
Improvements in or relating to brassieres
AU100905B2
(en )
1937-05-13
Improvements in projecting oscillights
AU102294B2
(en )
1937-11-04
Improvements in or relating to telephone systems
AU101043B2
(en )
1937-05-27
Improvements in or relating to telephone systems
AU2574935A
(en )
1937-01-14
Improvements in or relating to acoustic devices
AU101273B2
(en )
1937-06-17
Improvements in or relating to aerial arrangements
AU76636A
(en )
1937-03-11
Improvements in flytraps
AU118837A
(en )
1937-05-13
Improvements in alloysteels
AU104432B2
(en )
1938-07-14
Improvements in hats
AU100088B2
(en )
1937-01-02
Improvements in or relating to telephone instruments
AU2271835A
(en )
1936-06-25
Improvements in or relating to loudspeaker arrangements