DK44561C
(en )
1931-09-07
Procedure for tanning hides.
DK46228C
(en )
1932-09-26
Procedure for tanning hides and skins.
DK47916C
(en )
1933-10-23
Procedure for Making Resitols.
DK46488C
(en )
1932-11-14
Procedure for tanning hides or skins.
DK45652C
(en )
1932-05-09
Procedure for tanning hides and the like.
DK54906C
(en )
1938-06-27
Procedure for tanning hides.
DK42495C
(en )
1930-06-30
Procedure for the Manufacture of Textiles.
DK44430C
(en )
1931-08-03
Procedure and device for tanning hides and the like.
DK42615C
(en )
1930-07-21
Raising tool for Leather.
DK39737C
(en )
1929-01-21
Procedure for Performing Electrothermal Processes.
DK44699C
(en )
1931-10-12
Procedure for Treating Saltwater Algae.
DK43822C
(en )
1931-03-09
Procedure for Making Yeast.
DK45034C
(en )
1931-12-21
Method for Making Quick-Dry Ink.
DK39568C
(en )
1928-12-03
Method for Manufacturing an Aid for Leather Tanning.
DK42964C
(en )
1930-09-15
Staalblik bestaende, til Indslagning i Vægge tjenende Stifthylster.
DK27682C
(en )
1921-05-23
Procedure for tanning hides.
DK39515C
(en )
1928-11-19
Emulsion, especially for Tanning purposes.
DK42753C
(en )
1930-08-18
Bitumen Treatment Procedure.
DK44285C
(en )
1931-06-29
Procedure for the Manufacture of Footwear.
ES98746A1
(en )
1926-10-01
Procedure for waterproofing leather.
DK46541C
(en )
1932-11-28
Procedure for Softening Skins and Skins.
DK39768C
(en )
1929-02-04
Procedure for the Treatment of Sulfur Pyrite.
ES116186A1
(en )
1930-01-16
PROCEDURE FOR THE OBTAINING OF TITANO TANNING PREPARATIONS.
DK47287C
(en )
1933-05-01
Procedure for Making Resitols.
DK44948C
(en )
1931-12-07
Procedure and device for tanning hides and the like.