DK53223C
(en )
1937-06-14
Procedure for Impregnation of Abrasive Discs.
FR769155A
(en )
1934-08-21
Advanced saw disc
FR784779A
(en )
1935-07-24
Advanced brake
DK51671C
(en )
1936-05-25
Procedure for Treatment of Textile Materials.
DK55873C
(en )
1939-02-27
Procedure for the Preparation of Pregneolones.
DK55521C
(en )
1938-12-05
Process for the Preparation of Amino-m-Phenanthrolines.
DK50907C
(en )
1935-11-18
Procedure for Preservation of Ropes.
DK55496C
(en )
1938-11-28
Process for the Preparation of Substituted Amino-m-Phenanthrolines.
DK52368C
(en )
1936-11-30
Procedure for the manufacture of desiccants.
DK50827C
(en )
1935-10-28
Procedure for Preserving Horseradish.
DK51589C
(en )
1936-05-04
Procedure for the manufacture of tempered articles.
DK53377C
(en )
1937-07-26
Procedure for the manufacture of shutters.
DK53271C
(en )
1937-07-05
Procedure for the manufacture of wooden barrels.
DK49801C
(en )
1935-01-28
Procedure for the preparation of rubber mixtures.
DK51762C
(en )
1936-06-15
Method for Polishing Metals.
DK53077C
(en )
1937-05-18
Process for the Preparation of Nitrogen-Halogen Compounds.
FI16190A
(en )
1934-11-16
Abrasive combination
DK52361C
(en )
1936-11-30
Procedure for the preparation of azo compounds.
DK51368C
(en )
1936-03-09
Procedure for Making Ferri-Ferricyan Copies.
ES3390Y
(en )
1935-09-01
Watch faces.
FR780727A
(en )
1935-05-02
Sharpener
DK56652C
(en )
1939-09-11
Procedure for the Preparation of Pregnant Dions.
DK57305C
(en )
1940-02-26
Procedure for the Preparation of Pregnant Dions.
DK57856C
(en )
1940-08-05
Procedure for the Preparation of Pregnant Dions.
DK52737C
(en )
1937-02-22
Self-adjusting Grinder.