GB512286A
(en )
1939-08-31
Improvements in high-pressure metal-vapour electric discharge devices
AU105380B2
(en )
1938-10-20
Improvements in electrodes for high-pressure metal vapour electric discharge devices
AU22638A
(en )
1938-10-20
Improvements in electrodes for high-pressure metal vapour electric discharge devices
AU106206B2
(en )
1939-01-12
Improvements in high-pressure metal-vapour electric discharge devices
AU106437B2
(en )
1939-02-02
Improvements in high-pressure metal-vapour electric discharge devices
AU106771B2
(en )
1939-03-09
Improvements in electrodes for high-pressure mercury-vapour discharge devices
AU107053B2
(en )
1939-04-20
Improvements in auxiliary electrodes for electric discharge devices
AU106321B2
(en )
1939-01-19
Improvements in high -pressure mercury vapour electric discharge lamps
AU240138A
(en )
1939-01-12
Improvements in high-pressure metal-vapour electric discharge devices
AU347738A
(en )
1939-02-02
Improvements in high-pressure metal-vapour electric discharge devices
AU107110B2
(en )
1939-04-20
Improvements in high-pressure mercury-vapour electric discharge devices
AU456538A
(en )
1939-03-09
Improvements in electrodes for high-pressure mercury-vapour discharge devices
AU106365B2
(en )
1939-01-26
Improvements in high-pressure metal-vapour electric discharge lamps
AU105955B2
(en )
Improvements in or relating to electric high-pressure metal vapour discharge tubes
AU108277B2
(en )
1939-08-31
Improvements in auxiliary electrodes in electric discharge devices
AU108129B2
(en )
1939-08-10
Improvements in auxiliary electrodes in electric discharge devices
AU108278B2
(en )
1939-08-31
Improvements in auxiliary electrodes in electric discharge devices
AU315838A
(en )
1939-04-20
Improvements in auxiliary electrodes for electric discharge devices
AU2238A
(en )
1939-01-19
Improvements in high -pressure mercury vapour electric discharge lamps
AU511638A
(en )
1939-04-20
Improvements in high-pressure mercury-vapour electric discharge devices
AU105858B2
(en )
1938-12-01
Improvements in or relating to high-pressure metal vapour electric discharge devices
AU109403B2
(en )
1940-01-11
Improvements in high-pressure metal-vapour electric discharge devices
AU109602B2
(en )
1940-02-01
Improvements in high-pressure metal-vapour electric discharge H devices
GB508412A
(en )
1939-06-30
Improvements in high-pressure metal-vapour electric discharge lamps
AU107995B2
(en )
1939-07-27
Improvements in electrode construction for electric discharge lamps