CH51815A
(en )
1911-09-16
Process for the manufacture of shaped articles
CH53335A
(en )
1912-02-01
Process for the production of hydroquinine
CH52851A
(en )
1912-01-02
Process for making clear quartz articles
CH52852A
(en )
1912-01-02
Process for making clear quartz articles
CH57546A
(en )
1913-01-16
Process for the production of size
CH50536A
(en )
1911-06-01
Process for the manufacture of filters
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
CH55315A
(en )
1912-08-01
Process for the production of road surfaces
AT54035B
(en )
1912-06-25
Process for the production of strips of fastening pins.
CH54358A
(en )
1912-05-17
Process for the production of melt products
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH51290A
(en )
1911-08-16
Process for the production of low-smoke gunpowder
CH52690A
(en )
1911-12-16
Process for the manufacture of abrasive cloths
CH63494A
(en )
1914-02-02
Process for the production of components
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
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
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH66699A
(en )
1914-10-01
Process for the production of frisé goods
CH54174A
(en )
1912-05-01
Process for the manufacture of pliable electrolyte iron
CH52115A
(en )
1911-11-01
Process for the production of celluloid-like masses
CH48460A
(en )
1910-10-17
Process for the production of decorative seams
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH57776A
(en )
1913-02-01
Process for the production of printing forms