AU108373B2
(en )
1939-09-07
Improvements in or relating to electric incandescent lamps
AU106174B2
(en )
1939-01-12
Improvements in or relating to electric incandescent lamps
AU154738A
(en )
1939-01-12
Improvements in or relating to electric incandescent lamps
AU426338A
(en )
1939-09-07
Improvements in or relating to electric incandescent lamps
AU106719B2
(en )
1939-03-09
Improvements in or relating to electric gas-filled incandescent lamps
AU105988B2
(en )
1938-12-08
Improvements in or relating to electric lamps
AU107627B2
(en )
1939-06-10
Improvements in or relating to exhausted electric incandescent lamps
AU107200B2
(en )
1939-04-27
Improvements in electric incandescent lamps
AU426138A
(en )
1939-03-09
Improvements in or relating to electric gas-filled incandescent lamps
AU187638A
(en )
1938-12-08
Improvements in or relating to electric lamps
AU572938A
(en )
1939-06-10
Improvements in or relating to exhausted electric incandescent lamps
AU412238A
(en )
1939-04-27
Improvements in electric incandescent lamps
AU102679B2
(en )
Improvements in or relating to electric incandescent lamps
AU105154B2
(en )
Improvements in or relating to electric incandescent lamps comprising a heatproof incandescent member
AU108225B2
(en )
1939-08-24
Improvements in or relating to double-walled electric incandescent lamps
AU104403B2
(en )
1938-07-14
Improvements in or relating to electric discharge lamps
AU110305B2
(en )
1938-11-06
Improvements in and relating to electric lamps
AU107891B2
(en )
1939-07-13
Improvements in or relating togas-filled incandescent electric lamps
AU109420B2
(en )
1940-01-11
Improvements in incandescent electric lamps
CA373261A
(en )
1938-04-19
Electric incandescent lamp
CA375281A
(en )
1938-07-26
Electric incandescent lamp
CA375585A
(en )
1938-08-09
Electric incandescent lamp
AU32939A
(en )
1939-08-24
Improvements in or relating to double-walled electric incandescent lamps
AU279437A
(en )
1938-07-14
Improvements in or relating to electric discharge lamps
AU423938A
(en )
1938-11-06
Improvements in and relating to electric lamps