DK25106C
(en )
1919-10-06
Procedure for tanning whale and fish skins.
DK16272C
(en )
1912-08-05
Procedure for tanning whale skins, fish skins and the like.
DK16273C
(en )
1912-08-05
Procedure for tanning whale skins, fish skins and the like.
DK16274C
(en )
1912-08-05
Procedure for tanning whale skins, fish skins and the like.
DK18578C
(en )
1914-03-16
Procedure for Tanning Animal Skins.
DK19154C
(en )
1914-08-24
Procedure for Tanning Animal Skins.
DK18475C
(en )
1914-02-16
Procedure for tanning hides and skins.
DK17455C
(en )
1913-06-23
Procedure for the treatment of hides and skins.
DK29206C
(en )
1922-01-23
Procedure for Tanning Animal Skins.
DK24698C
(en )
1919-06-30
Procedure for tanning hides and skins.
DK24190C
(en )
1919-03-10
Procedure for Tanning Animal Skins.
DK26286C
(en )
1920-07-19
Procedure for tanning animal skins.
DK29930C
(en )
1922-07-17
Procedure for tanning animal skins.
DK16843C
(en )
1913-01-06
Procedure for Tanning Animal Skins.
DK26787C
(en )
1920-10-25
Procedure for tanning animal skins.
DK26802C
(en )
1920-10-25
Procedure for tanning animal skins.
DK16583C
(en )
1912-10-28
Procedure for the treatment of hides and skins.
DK24415C
(en )
1919-04-22
Procedure for tanning hides and skins.
DK15398C
(en )
1911-12-18
Composition composition for the treatment of hides, skins or leather.
DK20731C
(en )
1915-11-08
Procedure for tanning and at the same time pre-cleaning of the tanning substance.
DK34284C
(en )
1925-03-16
Procedure for rapid tanning of fish skins 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.
DK28174C
(en )
1921-08-15
Procedure for Tanning Animal Skins.
DK28712C
(en )
1921-10-31
Procedure for tanning animal skins.