AU101215B2
(en )
1937-06-10
Improvements in and relating to electric battery lamps
AU309036A
(en )
1937-06-10
Improvements in and relating to electric battery lamps
AU101209B2
(en )
1937-06-10
Improvements in electric battery lamps
AU101305B2
(en )
1937-06-24
Improvements in electric battery lamps
AU102172B2
(en )
1937-10-14
Improvements in and relating to electric discharge lamps
AU100557B2
(en )
1937-03-25
Improvements in and relating to electric lamps orthe like
AU217136A
(en )
1937-06-10
Improvements in electric battery lamps
AU424036A
(en )
1937-06-24
Improvements in electric battery lamps
GB509030A
(en )
1939-07-06
Improvements in and relating to electric discharge devices
GB483275A
(en )
1938-04-12
Improvements in or relating to electric lighting and power systems
GB512778A
(en )
1939-09-25
Improvements in and relating to electric discharge lamps
AU407536A
(en )
1937-10-14
Improvements in and relating to electric discharge lamps
AU240136A
(en )
1937-03-25
Improvements in and relating to electric lamps orthe like
AU100599B2
(en )
1937-04-08
Improvements in electric batteries
AU101070B2
(en )
1937-05-27
Improvements in or relating to electric storage batteries
AU110836A
(en )
1937-04-08
Improvements in electric batteries
AU101923B2
(en )
1937-09-09
Improvements in and relating to electrical insulators
AU102054B2
(en )
1937-09-30
Improvements in and relating to electric gaseous discharge devices
AU2461435A
(en )
1936-10-08
Improvements in and relating to the manufacture of electric lamps and similar devices
AU102146B2
(en )
1937-10-14
Improvements in and relating to automatic electric switches
AU100263B2
(en )
1937-02-18
Improvements in and relating to negative glow devices
AU193036A
(en )
1937-05-27
Improvements in or relating to electric storage batteries
AU352736A
(en )
1937-09-09
Improvements in and relating to electrical insulators
AU494836A
(en )
1937-09-30
Improvements in and relating to electric gaseous discharge devices
AU101207B2
(en )
1937-06-10
Improvements in electric lanterns