DK44201C
(en )
1931-06-08
Transformer for Operation of Fluorescent lamps.
DK43321C
(en )
1930-11-10
Device for Assembly of Lighting Luminaires.
DK45018C
(en )
1931-12-21
Device for lamp luminaires.
DK44345C
(en )
1931-07-13
Electric Discharge Tube for Emitting Beams.
DK43008C
(en )
1930-09-22
Procedure for the production of raster negatives.
DK40892C
(en )
1929-10-07
Procedure for Operation of Suspension Plants.
DK47150C
(en )
1933-03-27
Device for luminaires.
DK46029C
(en )
1932-08-08
Procedure for the Preparation of Compounds of Higher Homologues of Polyoxybenzoles.
DK43934C
(en )
1931-03-30
Device for lighting discharge pipes (fluorescent lamps).
DK45514C
(en )
1932-04-11
Fluorescent system.
DK53449C
(en )
1937-08-16
Dispersion Transformer for Fluorescent Lighting.
DK56076C
(en )
1939-04-24
Procedure for Conversion of Normally Gaseous Hydrocarbons.
DK48350C
(en )
1934-02-05
Procedure for the Extraction of Sulfur.
DK42790C
(en )
1930-08-18
Device for lamps for advertising purposes.
DK45888C
(en )
1932-07-04
Procedure for Manufacturing Shards.
DK41567C
(en )
1930-02-03
Procedure for Operation of Electric Discharge Pipes.
DK42097C
(en )
1930-04-22
Procedure for Operation of Electric Discharge Pipes.
DK42495C
(en )
1930-06-30
Procedure for the Manufacture of Textiles.
DK50328C
(en )
1935-06-11
Procedure for Purifying Used Mineral Oil.
DK48044C
(en )
1933-11-20
Procedure for the manufacture of fluids containing hormones from the parathyroid glands.
FR696410A
(en )
1930-12-30
Metal vapor lamps
DK43958C
(en )
1931-04-07
Canopy for Lighting Fixtures.
DK41888C
(en )
1930-03-24
Procedure for Improving the Dispersibility of Nitrophosphates.
ES113817A1
(en )
1929-08-16
Light mortar for infantry.
ES112594A1
(en )
1929-07-01
An improved lantern for ovens.