DK46293C
(en )
1932-10-10
Procedure for the Production of Cinematographic Films.
DK45394C
(en )
1932-03-14
Procedure for the production of gramophone records.
DK44507C
(en )
1931-08-17
Procedure for the Production of Vanillin.
FR672029A
(en )
1929-12-21
Furniture for phonographs
DK44508C
(en )
1931-08-17
Procedure for the production of frost-free lubricants.
ES112460A1
(en )
1929-07-01
A procedure for the manufacture of celluloid phonograph records.
DK46063C
(en )
1932-08-15
Procedure for the Production of Art Sacrifices.
DK46065C
(en )
1932-08-15
Procedure for the manufacture of plastics.
DK45320C
(en )
1932-02-29
Procedure for the Production of Cellulite.
DK46262C
(en )
1932-10-03
Procedure for Making Sound Records.
DK44266C
(en )
1931-06-22
Procedure for the Production of Aldehyde Bases.
DK45352C
(en )
1932-03-07
Procedure for the Production of Cuprinitrate.
FR696859A
(en )
1931-01-09
Phonograph
DK44869C
(en )
1931-11-16
Record cleaner for Gramophones.
DK44545C
(en )
1931-08-31
Procedure for the production of sodium nitrate.
DK44285C
(en )
1931-06-29
Procedure for the Manufacture of Footwear.
DK43447C
(en )
1930-12-08
Procedure for the manufacture of carbon dioxide.
DK41888C
(en )
1930-03-24
Procedure for Improving the Dispersibility of Nitrophosphates.
DK38779C
(en )
1928-05-21
Procedure for the Production of Arsenobenzols.
DK38549C
(en )
1928-03-12
Procedure for the Production of Dioxyacetone.
DK35849C
(en )
1926-04-06
Procedure for Making Sound Records.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.
DK43966C
(en )
1931-04-07
Procedure for the Manufacture of Pavements.
ES113028A1
(en )
1930-03-16
New procedure to obtain unbreakable phonograph records.
DK45479C
(en )
1932-04-04
Procedure for the Production of Potassium Carbonate.