DK60577C
(da )
1943-02-08
Luftartfyldt elektrisk Glødelampe med i Forhold til Effektforbruget lille Beholderrumfang.
GB513321A
(en )
1939-10-10
Improvements in or relating to electric discharge lamps
DK61761C
(da )
1944-01-03
Lampe med to kommunicerende Beholdere.
DK55199C
(da )
1938-09-12
Elektrisk Glødelampe med en i Forhold til Lampens Wattforbrug lille Beholder.
GB510956A
(en )
1939-08-10
Improvements in and relating to electric lamp bulbs
AU106174B2
(en )
1939-01-12
Improvements in or relating to electric incandescent lamps
AU108373B2
(en )
1939-09-07
Improvements in or relating to electric incandescent lamps
AU105988B2
(en )
1938-12-08
Improvements in or relating to electric lamps
GR7328B
(el )
1938-04-26
Μεταρρυθμισις εις τας λυχνιολαβας των ηλεκτρικων λαμπτηρων.
AU106543B2
(en )
1939-02-16
Improvements in electric lamps with connecting device
ES147262A1
(es )
1941-03-01
Mejoras en las lámparas eléctricas.
DK60966C
(da )
1943-05-31
Elektrisk Lygte med kasseformet Fod.
AU426338A
(en )
1939-09-07
Improvements in or relating to electric incandescent lamps
AU154738A
(en )
1939-01-12
Improvements in or relating to electric incandescent lamps
AU187638A
(en )
1938-12-08
Improvements in or relating to electric lamps
FI19226A
(fi )
1942-09-15
Elektrisk glödlampa med en kvävehaltig gasfyllning
ES145213A1
(es )
1940-06-16
Perfeccionamientos en las lámparas eléctricas de incandescencia.
AU39138A
(en )
1939-02-16
Improvements in electric lamps with connecting device
ES148490A1
(es )
1941-11-01
Perfeccionamientos en el procedimiento de fabricación de envases
GR9656B
(el )
1941-09-19
Ηλεκτρικος λαμπτηρ περιωρισμενης καταναλωσεως ρευματος.
AU112023B2
(en )
1939-05-02
Improvements in or relating to bicycles provided with an illumination dynamo
AU104403B2
(en )
1938-07-14
Improvements in or relating to electric discharge lamps
DK57561C
(da )
1940-05-06
Elektrisk Glødelampe med Smeltesikring.
AU107627B2
(en )
1939-06-10
Improvements in or relating to exhausted electric incandescent lamps
AU112628B2
(en )
1939-09-25
Improvements in dynamos for lighting bicycles