DK43623C
(en )
1931-01-26
Procedure for the manufacture of artificial leather from waste leather, hides and skins.
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.
DK34271C
(en )
1925-03-16
Procedure for the treatment of hides, skins and the like.
DK38361C
(en )
1928-01-23
Procedure and Bath for Preparing Skins for Tanning.
DK45652C
(en )
1932-05-09
Procedure for tanning hides and the like.
SU20251A1
(en )
1931-04-30
The method of separation of hair from scraps of fur coat
DK34284C
(en )
1925-03-16
Procedure for rapid tanning of fish skins and the like.
DK44561C
(en )
1931-09-07
Procedure for tanning hides.
DK53454C
(en )
1937-08-16
Procedure for tanning hides and skins.
DK54905C
(en )
1938-06-27
Procedure for tanning hides and skins.
SU20253A1
(en )
1931-04-30
The method of extraction of tanning materials
DK46488C
(en )
1932-11-14
Procedure for tanning hides or skins.
DK48872C
(en )
1934-06-11
Procedure for the Production of Artificial Masses of Leather Waste and Rubber.
DK57049C
(en )
1939-12-18
Procedure for tanning hides and skins.
DK61444C
(en )
1943-10-18
Procedure for preparing hides and skins for tanning.
DK47032C
(en )
1933-03-06
Procedure for the treatment of textiles, paper, leather and the like.
ES106317A3
(en )
1928-04-16
A procedure for the tanning of calf or calf skins.
DK44948C
(en )
1931-12-07
Procedure and device for tanning hides and the like.
DK44430C
(en )
1931-08-03
Procedure and device for tanning hides and the like.
DK47622C
(en )
1933-08-07
Procedure for the manufacture of artificial leather and the like.
DK46541C
(en )
1932-11-28
Procedure for Softening Skins and Skins.
DK67514C
(en )
1948-08-30
Procedure for tanning hides and skins.
DK39568C
(en )
1928-12-03
Method for Manufacturing an Aid for Leather Tanning.
ES110323A1
(en )
1929-04-01
Procedure for the manufacture of artificial leather.