CH81994A
(en )
1919-08-16
Process for treating mill products
CH78964A
(en )
1918-09-16
Process for smelting smelting materials
CH82032A
(en )
1919-08-16
Process for roasting fibrous materials
CH81398A
(en )
1919-11-17
Process for the extraction of minerals
CH80578A
(en )
1919-08-01
Process for the operation of gear drives
CH83536A
(en )
1919-12-16
Process for rolling out conical machine parts
CH82924A
(en )
1919-11-01
Process for binding all kinds of bundles
CH78828A
(en )
1919-02-01
Process for drying piece goods
CH75755A
(en )
1918-02-16
Method for dividing containers
CH82595A
(en )
1919-10-01
Process for leaching substances
CH81096A
(en )
1919-10-01
Process for briquetting fuels
CH78284A
(en )
1918-07-01
Process for compacting wood
CH80237A
(en )
1919-02-17
Process for neutralizing chrome leather
CH78443A
(en )
1918-07-16
Process for rounding and simultaneously profiling pipes
CH80410A
(en )
1919-06-02
Apparatus for quickly drawing symmetrical lines
CH79648A
(en )
1918-12-16
Process for evaporation of liquids
CH79808A
(en )
1919-05-16
Process for tanning animal hides
CH80012A
(en )
1919-06-02
Process for generating steam using heat accumulators
CH81780A
(en )
1919-07-16
Process for cleaning machine oils
CH79456A
(en )
1918-11-16
Apparatus for cutting fruit
CH79831A
(en )
1919-05-16
Process for detinning tinplate waste by dry means
CH80401A
(en )
1919-07-16
Process for drying potatoes
CH105681A
(en )
1924-07-01
Process for the digestion of vegetable raw materials.
CH86301A
(en )
1920-10-16
Plant for treating silk.
CH81479A
(en )
1919-11-17
Method for welding ribbed containers