CH76206A
(en )
1917-11-16
Process for the reproduction of surface patterns
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
AT57955B
(en )
1913-02-25
Process for the mosaic-like decoration of surfaces.
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
CH52767A
(en )
1912-01-02
Process for the mosaic-like decoration of surfaces
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH63594A
(en )
1914-02-02
Process for the production of writing boards
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH75450A
(en )
1917-08-01
Process for the production of floor wax
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH63494A
(en )
1914-02-02
Process for the production of components
CH74900A
(en )
1917-05-01
Process for the manufacture of pneumatic jackets
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH64235A
(en )
1914-03-16
Process for the production of nitrogen
CH67705A
(en )
1915-01-02
Process for the production of nitrogen
CH68919A
(en )
1915-05-01
Process for the production of nitrogen
CH51114A
(en )
1911-08-01
Process for the production of calcium nitrite
CH65740A
(en )
1914-07-16
Process for drying patent leather
CH72958A
(en )
1916-07-17
Process for the production of sodium percarbonate