DK61444C
(en )
1943-10-18
Procedure for preparing hides and skins for tanning.
DK57049C
(en )
1939-12-18
Procedure for tanning hides and skins.
DK56633C
(en )
1939-09-04
Skin and Skin Removal Procedure.
DK67514C
(en )
1948-08-30
Procedure for tanning hides and skins.
DK53454C
(en )
1937-08-16
Procedure for tanning hides and skins.
DK54905C
(en )
1938-06-27
Procedure for tanning hides and skins.
DK67367C
(en )
1948-08-09
Procedure for tanning hides and skins.
CH296673A
(en )
1954-02-28
Process for tanning hides and skins.
DK68769C
(en )
1949-03-21
Procedure for tanning hides, skins and furs.
DK68956C
(en )
1949-04-19
Procedure for tanning hides, skins and furs.
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.
DK38361C
(en )
1928-01-23
Procedure and Bath for Preparing Skins for Tanning.
DK54906C
(en )
1938-06-27
Procedure for tanning hides.
DK76067C
(en )
1953-07-06
Procedure for tanning hides or skins.
ES145146A1
(en )
1940-04-16
Procedure for tanning large and small skins.
DK66559C
(en )
1948-04-05
Procedure for degreasing hides and skins.
DK61349C
(en )
1943-09-27
Procedure and Support for Preparatory Treatment of Skins.
DK46488C
(en )
1932-11-14
Procedure for tanning hides or skins.
DK45652C
(en )
1932-05-09
Procedure for tanning hides and the like.
DK69720C
(en )
1949-08-08
Procedure for tanning hides, skins and furs.
DK69719C
(en )
1949-08-08
Procedure for tanning hides and skins.
DK43623C
(en )
1931-01-26
Procedure for the manufacture of artificial leather from waste leather, hides and skins.
DK56086C
(en )
1939-04-24
Tanning Procedure.
DK34284C
(en )
1925-03-16
Procedure for rapid tanning of fish skins and the like.