GB527558A
(en )
1940-10-11
Improvements in or relating to shower-baths
AU106763B2
(en )
1939-03-09
Improvements in or relating to copper-oxide rectifiers
AU372338A
(en )
1939-03-09
Improvements in or relating to copper-oxide rectifiers
GB513483A
(en )
1939-10-13
Improvements in or relating to slip-couplings
AU107629B2
(en )
Improvements in or relating to rectifier arrangements
AU107388B2
(en )
1939-05-25
Improvements in or relating to rectifier circuit arrangements
AU105636B2
(en )
1938-11-10
Improvements in or relating to iconoscopes
AU109288B2
(en )
Improvements in or relating to portmanteaux
AU105248B2
(en )
1938-10-06
Improvements in or relating to hydro-extractors
AU106770B2
(en )
1939-03-09
Improvements in or relating to commutators
AU193538A
(en )
1939-05-25
Improvements in or relating to rectifier circuit arrangements
AU107169B2
(en )
1939-04-27
Improvements in or relating to bearings
AU85038A
(en )
1938-11-10
Improvements in or relating to iconoscopes
AU148038A
(en )
1938-10-06
Improvements in or relating to hydro-extractors
AU104994B2
(en )
1938-09-15
Improvements in or relating to paring devices
AU109960B2
(en )
1938-08-27
Improvements in or relating to trousers
AU106558B2
(en )
1939-02-16
Improvements in or relating to blade-wheel propellers
AU106559B2
(en )
1939-02-16
Improvements in or relating to blade-wheel propellers
AU392538A
(en )
1939-03-09
Improvements in or relating to commutators
AU108767B2
(en )
1939-10-26
Improvements in or relating to microphones
AU107881B2
(en )
1939-07-13
Improvements in and relating to doorlocks
AU107220B2
(en )
1939-05-04
Improvements in and relating to aneurin
AU107434B2
(en )
Improvements in or relating to electrolytic condensers
AU105632B2
(en )
1938-11-10
Improvements in or relating to electrolytic condensers
AU104929B2
(en )
1938-09-08
Improvements in or relating to electrolytic condensers