CH75880A
(en )
1917-10-01
Process for the precipitation of organic substances from sulphite waste eye
CH79838A
(en )
1919-01-16
Process for the production of flat structures from compressible material waste
CH76307A
(en )
1917-12-01
Process for the production of flat structures from waste material
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH56154A
(en )
1912-10-01
Process for the production of cellulose from fiber materials
CH55564A
(en )
1912-08-16
Process for the production of metal paper
CH73107A
(en )
1916-08-16
Process for cleaning sulphite waste liquor
CH73559A
(en )
1917-02-01
Process for the production of tube-like structures from cellulose compounds
CH64940A
(en )
1914-05-01
Process for the production of an artificial material from wood waste
CH57996A
(en )
1913-02-01
Process for removing salts from their aqueous solutions
CH57546A
(en )
1913-01-16
Process for the production of size
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH57292A
(en )
1913-01-02
Process for the production of bodies for sulphurizing
CH56992A
(en )
1912-12-02
Process for replicating stained glass
CH76172A
(en )
1917-11-01
Process for the production of briquettes from combustible waste
CH58004A
(en )
1913-02-17
Process for the production of stamping foil from resinous substances
CH77143A
(en )
1918-03-01
Process for the production of molded parts from cellulosic materials
CH67115A
(en )
1914-11-02
Process for softening water using base-exchanging substances
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH57919A
(en )
1913-02-17
Process for the production of artificial lithography stones
AT75541B
(en )
1919-02-25
Process for the production of filter cylinders.
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH74126A
(en )
1917-01-16
Process for evaporation of liquids
CH55943A
(en )
1912-09-16
Process for clarifying and disinfecting water
CH68486A
(en )
1915-04-01
Process for the extraction of dry material from liquids