AU2946030A
(en )
1931-04-02
Improvements in or relating to incandescent electric lamps
AU2597630A
(en )
1930-10-21
Improvements in or relating to electric incandescent lamps
AU2946030B
(en )
1931-04-02
Improvements in or relating to incandescent electric lamps
AU106480B2
(en )
1930-02-09
Improvements in or relating to electric discharge lamps
AU1285228A
(en )
1929-04-09
Improvements in or relating to electric incandescent lamps
AU2123229A
(en )
1929-12-17
Improvements in or relating to electric incandescent lamps
AU2047129A
(en )
1929-11-12
Improvements in or relating to electric incandescent lamps
AU118537A
(en )
1930-02-09
Improvements in or relating to electric discharge lamps
GB363775A
(en )
1931-12-31
Improvements relating to electric incandescent lamps
CA298670A
(en )
1930-03-25
Hand electric lamp
AU211131A
(en )
1931-10-22
Improvements in or relating to electric lamps
AU3020330A
(en )
1931-05-28
Improvements in or relating to electric incandescent lamps or discharge tubes
CA297884A
(en )
1930-03-04
Electric incandescent lamp fitting
AU109217B2
(en )
1939-12-07
Improvements in electric discharge lamps
AU1544528A
(en )
1929-05-07
Improvements in or relating to filaments for electric incandescent lamps
AU1544428A
(en )
1929-05-07
Improvements in or relating to filaments for electric incandescent lamps
AU1544328A
(en )
1929-05-07
Improvements in or relating to filaments for electric incandescent lamps
AU2085729A
(en )
1929-11-06
Improvements in or relating to electric lamps
AU2556530A
(en )
1930-10-07
Improvements in or relating to glow lamps
CA297346A
(en )
1930-02-04
Tipless electric lamp
AU252631A
(en )
1932-04-14
Improvements in electric lamps
CA304604A
(en )
1930-10-07
Electric candle
AU1543233A
(en )
1934-06-02
Improvements in or relating to incandescent electric lamps
AU3014930A
(en )
1931-05-28
Improvements in or relating to electric incandescent lamps and discharge tubes
CA297808A
(en )
1930-02-25
Electric flashlight