CH70450A
(en )
1915-09-16
Process for the production of screens for halftone images
CH65639A
(en )
1914-07-01
Process for making sacks
CH71053A
(en )
1915-11-16
Process for the production of art prints
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH63494A
(en )
1914-02-02
Process for the production of components
CH50536A
(en )
1911-06-01
Process for the manufacture of filters
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH57776A
(en )
1913-02-01
Process for the production of printing forms
AT87461B
(en )
1922-02-25
Process for the production of alkali amide.
CH70162A
(en )
1915-09-01
Process for the preparation of fading layers for multicolor photography
CH69145A
(en )
1915-06-01
Process for the production of impregnated polishing cloths
CH71191A
(en )
1915-12-01
Process for the production of methyl chloride
CH59431A
(en )
1913-05-16
Process for making clichés
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH52690A
(en )
1911-12-16
Process for the manufacture of abrasive cloths
CH62855A
(en )
1913-12-16
Process for making soap
CH69955A
(en )
1915-08-02
Process for the preparation of 4-chloro-1-oxyanthraquinone
CH71544A
(en )
1916-01-17
Process for the preparation of 4-methyl-1-oxyanthraquinone
CH69779A
(en )
1915-07-16
Process for the production of contrast formers for the purposes of X-ray photography
CH73164A
(en )
1916-08-16
Process for the production of contrast formers for the purposes of X-ray photography
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH72174A
(en )
1916-04-17
Process for the production of enamels