CH72174A
(en )
1916-04-17
Process for the production of enamels
CH64710A
(en )
1914-04-16
Process for the production of paints
CH62853A
(en )
1913-12-16
Process for the production of paints
CH57546A
(en )
1913-01-16
Process for the production of size
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
CH57344A
(en )
1913-01-02
Process for the production of gas and bubble-free metal blocks
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
CH49978A
(en )
1911-04-17
Process for the production of boron-orthooxybenzoic acid zinc
CH48368A
(en )
1910-10-01
Process for the production of autotypical negatives
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH68991A
(en )
1915-05-17
Process and apparatus for the production of black lead
CH73108A
(en )
1917-01-16
Method and device for the production of cardboard boxes
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH56308A
(en )
1912-11-01
Process for the production of quartz hollow bodies
CH73471A
(en )
1917-05-01
Process for the production of tarnished enamels and glazes
CH55564A
(en )
1912-08-16
Process for the production of metal paper
CH63494A
(en )
1914-02-02
Process for the production of components
CH62859A
(en )
1913-12-16
Process for the production of white enamels