CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH57546A
(en )
1913-01-16
Process for the production of size
CH55564A
(en )
1912-08-16
Process for the production of metal paper
CH59261A
(en )
1913-05-02
Process for the manufacture of electrolytic capacitors
CH65639A
(en )
1914-07-01
Process for making sacks
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH71053A
(en )
1915-11-16
Process for the production of art prints
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH63494A
(en )
1914-02-02
Process for the production of components
CH66334A
(en )
1914-09-01
Process for the production of printing plates
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH54334A
(en )
1912-05-17
Process for the production of synthetic wood
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH62853A
(en )
1913-12-16
Process for the production of paints
CH64710A
(en )
1914-04-16
Process for the production of paints
CH60359A
(en )
1913-07-16
Process for the production of posters
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH52279A
(en )
1911-11-01
Process for the production of tannin extracts
CH52190A
(en )
1911-11-01
Process for the production of oxygen baths
CH52509A
(en )
Process for the production of oxygen baths
CH56308A
(en )
1912-11-01
Process for the production of quartz hollow bodies