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
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH63494A
(en )
1914-02-02
Process for the production of components
CH77143A
(en )
1918-03-01
Process for the production of molded parts from cellulosic materials
CH57546A
(en )
1913-01-16
Process for the production of size
CH75154A
(en )
1917-06-01
Process for the production of shaped pieces from fodder
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH66334A
(en )
1914-09-01
Process for the production of printing plates
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH71053A
(en )
1915-11-16
Process for the production of art prints
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH63362A
(en )
1914-02-02
Process for the production of shaped pieces from common salt
CH76172A
(en )
1917-11-01
Process for the production of briquettes from combustible waste
CH71943A
(en )
1916-03-01
Process for the production of dials from embossable material
AT78737B
(en )
1919-10-25
Process for the production of workpiece leather from waste leather.
CH57292A
(en )
1913-01-02
Process for the production of bodies for sulphurizing
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH75891A
(en )
1918-01-02
Process for the production of structural parts from calcium or calcium alloys
CH79296A
(en )
1919-04-01
Process for the production of shaped pieces from magnesia cement
CH62853A
(en )
1913-12-16
Process for the production of paints
CH64710A
(en )
1914-04-16
Process for the production of paints