DK46293C
(en )
1932-10-10
Procedure for the Production of Cinematographic Films.
DK44872C
(en )
1931-11-23
Bell.
DK47916C
(en )
1933-10-23
Procedure for Making Resitols.
DK46616C
(en )
1932-12-12
Procedure for Making Tone Films.
SU20357A1
(en )
1931-04-30
Sound film
DK47287C
(en )
1933-05-01
Procedure for Making Resitols.
DK42838C
(en )
1930-08-25
Procedure for Making Tone Films.
DK44568C
(en )
1931-09-07
Procedure for Making Tone Film.
DK38789C
(en )
1928-05-21
Procedure for Making Cinematographic Color Films.
DK46262C
(en )
1932-10-03
Procedure for Making Sound Records.
DK46954C
(en )
1933-02-20
Procedure for Making Matches.
DK47741C
(en )
1933-09-11
Procedure for the manufacture of cork molds.
DK49402C
(en )
1934-10-15
Procedure for the manufacture of plastics.
DK45352C
(en )
1932-03-07
Procedure for the Production of Cuprinitrate.
DK47986C
(en )
1933-11-06
Procedure for Manufacturing Lynlaase.
DK47890C
(en )
1933-10-16
Procedure for Making Potash.
DK47567C
(en )
1933-07-24
Procedure for Making Potash.
DK47508C
(en )
1933-07-03
Procedure for Making Potash.
DK47132C
(en )
1933-03-27
Assistive device for the manufacture of Lynlaase.
DK48427C
(en )
1934-02-26
Process for the Preparation of 3-5-Dihalo-Pyridones.
ES117216A1
(en )
1930-04-16
Procedure for making kits.
DK44964C
(en )
1931-12-07
Procedure for the manufacture of canisters.
DK44268C
(en )
1931-06-22
Procedure for Preserving Horseradish.
DK45664C
(en )
1932-05-17
Machine for Making Sandwiches.
DK45471C
(en )
1932-03-29
Projection apparatus.