DK38361C
(en )
1928-01-23
Procedure and Bath for Preparing Skins for Tanning.
DK46228C
(en )
1932-09-26
Procedure for tanning hides and skins.
DK46780C
(en )
1933-01-16
Procedure for the production of tanned skins of animal hides and skins.
DK34284C
(en )
1925-03-16
Procedure for rapid tanning of fish skins and the like.
DK45652C
(en )
1932-05-09
Procedure for tanning hides and the like.
DK43623C
(en )
1931-01-26
Procedure for the manufacture of artificial leather from waste leather, hides and skins.
DK34271C
(en )
1925-03-16
Procedure for the treatment of hides, skins and the like.
DK61444C
(en )
1943-10-18
Procedure for preparing hides and skins for tanning.
DK57049C
(en )
1939-12-18
Procedure for tanning hides and skins.
DK46345C
(en )
1932-10-17
Procedure and Devices for Finishing Art Silk and for its Direct Further Treatment.
DK44561C
(en )
1931-09-07
Procedure for tanning hides.
DK46541C
(en )
1932-11-28
Procedure for Softening Skins and Skins.
DK44430C
(en )
1931-08-03
Procedure and device for tanning hides and the like.
DK44948C
(en )
1931-12-07
Procedure and device for tanning hides and the like.
DK53454C
(en )
1937-08-16
Procedure for tanning hides and skins.
DK54905C
(en )
1938-06-27
Procedure for tanning hides and skins.
DK40659C
(en )
1929-08-19
Procedure for the manufacture of small boats, airplanes and the like.
IS109A7
(en )
1932-01-18
Method and utensils for washing fur
DK46488C
(en )
1932-11-14
Procedure for tanning hides or skins.
DK47032C
(en )
1933-03-06
Procedure for the treatment of textiles, paper, leather and the like.
DK32669C
(en )
1923-12-24
Procedure and apparatus for dehairing, dewatering, tanning and drying hides.
DK29522C
(en )
1922-04-24
Procedure for tanning hides and skins.
DK45205C
(en )
1932-02-08
Apparatus and Procedure for Making Dentures.
DK38233C
(en )
1927-12-12
Procedure for tanning with metal salts and silicates.
DK41369C
(en )
1929-12-30
Machine for Stretching and Pressing Skins.