NL323C
(en )
1914-09-15
Method for tanning fish skins and the like
NL2760C
(en )
1918-12-16
Method for soaking hides and skins
NL915C
(en )
1915-11-01
METHOD FOR TANNING SKINS
NL1336C
(en )
1916-06-01
Method for the rapid tanning of hides
NL754C
(en )
1915-08-02
Method for dyeing pelts, hair, feathers and the like
NL1005C
(en )
1916-01-03
Method of tanning animal hides
NL931C
(en )
1915-11-15
Method and device for finishing the edges of leatherwork
NL2614C
(en )
1918-11-01
Method of preparing hides for the tanning and dyeing process
NL759C
(en )
1915-08-02
Method for treating lacquered leather with artificial light
NL1440C
(en )
1916-07-15
Method for treating fishing nets
NL1658C
(en )
1916-11-01
Method for preparing margarine
NL280C
(en )
1914-07-01
Method for making sole leather waterproof and more durable
NL3263C
(en )
1919-05-15
Method for treating lacquered leather or the like with light
NL147C
(en )
1914-03-16
METHOD OF TANNING FOR SKINS
NL9265C
(en )
1923-07-16
METHOD FOR TANNING SKINS
NL771C
(en )
1915-08-02
Apparatus for binding sheaves and the like together
NL1119C
(en )
1916-02-15
Tool for cleaning and depilating slaughtered animals
NL1540C
(en )
1916-09-04
Method of salting hides
NL620C
(en )
1915-04-01
Method of preparing hydraulic cement
NL990C
(en )
1913-01-03
Method for the reduction or hydrogenation of organic substances, in particular unsaturated fatty acids and their compounds
NL472C
(en )
1914-12-15
Method for mattifying enamel
NL1499C
(en )
1916-08-01
Method for preparing soluble protein substances from fish meat
NL1258C
(en )
1916-05-01
Method for preparing sulfur-containing dyes
NL343C
(en )
1914-10-01
Process for preparing solid fumigants
NL520C
(en )
1915-02-01
Method for preparing rubber and rubber-like substances