CH57721A
(en )
1913-01-16
Process for the continuous production of transparent glass plates
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH66969A
(en )
1914-11-02
Process for the production of glass tubes
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
CH57546A
(en )
1913-01-16
Process for the production of size
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH63494A
(en )
1914-02-02
Process for the production of components
CH57742A
(en )
1913-02-01
Process for the production of colored chains
CH66334A
(en )
1914-09-01
Process for the production of printing plates
CH72863A
(en )
1916-07-17
Process for the production of paintings on glass
CH60359A
(en )
1913-07-16
Process for the production of posters
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH71298A
(en )
1915-12-16
Process for making stained glass
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH64710A
(en )
1914-04-16
Process for the production of paints
CH62853A
(en )
1913-12-16
Process for the production of paints
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH60351A
(en )
1913-07-01
Process for the production of mold plates
CH75616A
(en )
1917-09-01
Process for the production of sodium perborate