CH76337A
(en )
1917-12-01
Process for extracting zinc from zinc powder
CH76338A
(en )
1917-12-01
Process for extracting zinc from zinc powder
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
CH79490A
(en )
1918-12-02
Process for separating zinc from zinc ash
AT80091B
(en )
1920-02-25
Process for the preparation of caramel. Process for the preparation of caramel.
CH77857A
(en )
1918-06-01
Process for the production of inulin which can be used for therapeutic purposes from plants
CH77500A
(en )
1918-09-02
Process for dry briquetting
CH76064A
(en )
1917-11-01
Process for the production of briquettes from sawdust
CH76173A
(en )
1918-04-01
Process for the production of shaped pieces from coal dust
CH76172A
(en )
1917-11-01
Process for the production of briquettes from combustible waste
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH72593A
(en )
1916-06-16
Process for the preparation of p-toluidine from p-nitrotoluene
CH81775A
(en )
1919-07-16
Process for the production of zinc sulfate from zinc blende
CH75231A
(en )
1917-06-16
Process for the extraction of staple fibers from gorse
CH79339A
(en )
1918-11-01
Process for the preparation of acetaldehyde from acetylene
CH71651A
(en )
1916-02-01
Process for the preparation of acetaldehyde from acetylene
CH68825A
(en )
1915-04-16
Process for the production of shaped pieces from milk powder
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH70153A
(en )
1915-09-01
Process for the preparation of acetaldehyde from acetylene
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH75154A
(en )
1917-06-01
Process for the production of shaped pieces from fodder
CH76806A
(en )
1918-02-01
Process for the production of tobacco substitutes from hops
CH79814A
(en )
1919-05-16
Process for the regeneration of cellulose from faeces of herbivorous animals
CH82982A
(en )
1919-11-01
Process for the extraction of soluble components from cellulose-containing substances
CH63362A
(en )
1914-02-02
Process for the production of shaped pieces from common salt