DK28548C
(en )
1921-10-03
Procedure for the manufacture of tanning substances.
DK30740C
(en )
1922-11-20
Procedure for the manufacture of tanning substances.
DK29205C
(en )
1922-01-23
Procedure for the manufacture of tanning substances.
DK25098C
(en )
1919-10-06
Procedure for Utilization of Keratinous Substances.
DK16813C
(en )
1912-12-23
PROCEDURE FOR SYNTHETIC MANUFACTURE OF TANNING SUBSTANCES.
DK28547C
(en )
1921-10-03
Procedure for the manufacture of tanning substances.
DK27323C
(en )
1921-03-21
Procedure for the Production of Glycerin from Sugar.
DK27324C
(en )
1921-03-21
Procedure for the Production of Glycerin from Sugar.
DK27405C
(en )
1921-04-11
Procedure for the Production of Glycerin from Sugar.
DK21726C
(en )
1916-12-11
Procedure for Finishing Gelatinizing Substances.
DK26693C
(en )
1920-09-20
Procedure for the manufacture of veneer sheets.
DK25836C
(en )
1920-04-12
Procedure for the manufacture of steering gear or the like.
DK28202C
(en )
1921-08-22
Procedure for the manufacture of resinous substances.
DK28756C
(en )
1921-11-07
Procedure for the manufacture of resinous substances.
DK21670C
(en )
1916-11-27
Procedure for the manufacture of dense rubber articles.
DK21738C
(en )
1916-12-18
Procedure for Finishing Gelatinizing Substances.
DK21739C
(en )
1916-12-18
Procedure for Finishing Gelatinizing Substances.
DK26866C
(en )
1920-11-08
Procedure for the production of low-smoke gunpowder varieties.
DK24283C
(en )
1919-03-24
Procedure for the production of printing surfaces.
DK22676C
(en )
1917-12-17
Procedure for the manufacture of hydrocarbon compounds.
DK22268C
(en )
1917-07-16
Procedure for drying patent leather.
DK21667C
(en )
1916-11-20
Bands for the manufacture of hoses.
DK23345C
(en )
1918-08-05
Procedure for Making Soap Powder.
DK42830C
(en )
1930-08-25
Procedure for the Preparation of Benzimidazolonaric Acids.
ES63404A1
(en )
1916-12-16
Procedure for tanning.