CH203247A
(en )
1939-02-28
Process for the manufacture of dry plate rectifiers.
DK53858C
(en )
1937-11-15
Method of Making Leather or Leather-Like Materials.
DK54985C
(en )
1938-07-18
Method of Manufacture of Leather.
SU44532A1
(en )
1935-10-31
Method of dyeing furs with ursols
DK51635C
(en )
1936-05-11
Method of Manufacture of Finished Leather Footwear or Footwear Parts.
DK54906C
(en )
1938-06-27
Procedure for tanning hides.
DK56086C
(en )
1939-04-24
Tanning Procedure.
DK50445C
(en )
1935-07-22
Procedure for the manufacture of zippers or zippers strings.
GR5984B
(en )
1936-08-22
LEATHER TAKEN.
DK55138C
(en )
1938-08-29
Method of Electrolytic Production of Hyposulfite.
DK53454C
(en )
1937-08-16
Procedure for tanning hides and skins.
DK54905C
(en )
1938-06-27
Procedure for tanning hides and skins.
DK46488C
(en )
1932-11-14
Procedure for tanning hides or skins.
DK55344C
(en )
1938-10-17
Procedure for the production of tanned ready-made blouses.
DK55677C
(en )
1939-01-09
Procedure for Manufacturing Artificial Leather.
DK57040C
(en )
1939-12-18
Method for the manufacture of surfactants or capillaries.
FR807353A
(en )
1937-01-11
Tanning process
FR825842A
(en )
1938-03-15
Tanning process
DK53194C
(en )
1937-06-07
Method of Making Painting Imitations.
DK56536C
(en )
1939-08-14
Procedure for the Production of Valuable Hydrocarbons.
DK54402C
(en )
1938-02-28
Traadtov or Dugt.
DK55838C
(en )
1939-02-20
Process for the Preparation of 4-Alkyl-5-hydroxyalkylthiazoles.
DK56214C
(en )
1939-05-22
Method of Making Cement.
DK52146C
(en )
1936-09-14
Elastically expandable fabric and method of making the same.
DK53002C
(en )
1937-04-26
Procedure for Construction of New Buildings.