CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH57721A
(en )
1913-01-16
Process for the continuous production of transparent glass plates
CH65639A
(en )
1914-07-01
Process for making sacks
CH66969A
(en )
1914-11-02
Process for the production of glass tubes
CH51949A
(en )
1911-10-16
Process for the production of pure tin oxide
CH63494A
(en )
1914-02-02
Process for the production of components
CH45108A
(en )
1909-10-16
Process for the production of picture frames
CH72174A
(en )
1916-04-17
Process for the production of enamels
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH66334A
(en )
1914-09-01
Process for the production of printing plates
CH51938A
(en )
1911-10-02
Process for the production of rideaux, vitrages, blinds, blankets, Brise-Bises and the like.
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH59617A
(en )
1913-06-02
Process for the production of enamels, glass sets and the like.
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH65305A
(en )
1914-06-01
Process for the production of glass window fans
AT87461B
(en )
1922-02-25
Process for the production of alkali amide.
CH49904A
(en )
1911-04-01
Process for the production of porous barium oxide
CH67258A
(en )
1914-11-16
Process for the production of artificial sponge
CH49967A
(en )
1911-04-17
Process for the production of accumulator electrodes
CH55315A
(en )
1912-08-01
Process for the production of road surfaces
CH71053A
(en )
1915-11-16
Process for the production of art prints
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks