CH82032A
(en )
1919-08-16
Process for roasting fibrous materials
CH78964A
(en )
1918-09-16
Process for smelting smelting materials
CH80578A
(en )
1919-08-01
Process for the operation of gear drives
CH81398A
(en )
1919-11-17
Process for the extraction of minerals
CH80401A
(en )
1919-07-16
Process for drying potatoes
CH78284A
(en )
1918-07-01
Process for compacting wood
CH81096A
(en )
1919-10-01
Process for briquetting fuels
CH82924A
(en )
1919-11-01
Process for binding all kinds of bundles
CH81994A
(en )
1919-08-16
Process for treating mill products
CH81780A
(en )
1919-07-16
Process for cleaning machine oils
CH79648A
(en )
1918-12-16
Process for evaporation of liquids
CH79599A
(en )
1918-12-02
Facility for cleaning cattle
CH80919A
(en )
1919-04-16
Device for holding sheaves
AT88456B
(en )
1922-05-10
Process for the production of perylene.
CH79475A
(en )
1918-11-16
Holder for hanging up patterns
CH82595A
(en )
1919-10-01
Process for leaching substances
CH78828A
(en )
1919-02-01
Process for drying piece goods
CH82981A
(en )
1919-11-01
Process for the production of pulp
CH80012A
(en )
1919-06-02
Process for generating steam using heat accumulators
CH79831A
(en )
1919-05-16
Process for detinning tinplate waste by dry means
CH79453A
(en )
1919-04-01
Process for briquetting dry peat
CH79071A
(en )
1918-10-01
Methods for cleaning the types of printing devices
CH81391A
(en )
1919-10-16
Apparatus for ventilating haysticks
CH80805A
(en )
1919-04-01
Device for cleaning cutlery
CH80410A
(en )
1919-06-02
Apparatus for quickly drawing symmetrical lines