CH81085A
(en )
1919-11-01
Process for generating heat
CH81780A
(en )
1919-07-16
Process for cleaning machine oils
CH82924A
(en )
1919-11-01
Process for binding all kinds of bundles
CH80578A
(en )
1919-08-01
Process for the operation of gear drives
CH80401A
(en )
1919-07-16
Process for drying potatoes
CH82032A
(en )
1919-08-16
Process for roasting fibrous materials
CH78964A
(en )
1918-09-16
Process for smelting smelting materials
CH79066A
(en )
1918-10-01
Process for the extraction of oil
CH79648A
(en )
1918-12-16
Process for evaporation of liquids
CH79807A
(en )
1919-05-16
Process for making shaving soap
AT82952B
(en )
1921-02-25
Process for creating chains.
CH75755A
(en )
1918-02-16
Method for dividing containers
CH81445A
(en )
1919-06-16
Process for the evaporation of liquids
CH81398A
(en )
1919-11-17
Process for the extraction of minerals
CH80805A
(en )
1919-04-01
Device for cleaning cutlery
CH82981A
(en )
1919-11-01
Process for the production of pulp
CH79599A
(en )
1918-12-02
Facility for cleaning cattle
AT88456B
(en )
1922-05-10
Process for the production of perylene.
CH79071A
(en )
1918-10-01
Methods for cleaning the types of printing devices
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH74126A
(en )
1917-01-16
Process for evaporation of liquids
CH81096A
(en )
1919-10-01
Process for briquetting fuels
CH79578A
(en )
1918-12-02
Process for the isolation of hyoscyamine
CH82595A
(en )
1919-10-01
Process for leaching substances
CH81994A
(en )
1919-08-16
Process for treating mill products