CH312958A
(en )
1956-03-15
Process for removing anions from liquid media
CH316423A
(en )
1956-10-15
Method and device for removing soluble impurities from fibrous materials containing binders
CH316720A
(en )
1956-10-31
Method and device for obtaining crystalline substances from solutions
FR541253A
(en )
1922-07-25
Method and apparatus for testing materials
AT107988B
(en )
1927-11-25
Method and device for processing cellulose.
CH90761A
(en )
1921-09-16
Method and device for sorting rolls.
CH83500A
(en )
1919-12-01
Device for cleaning and de-awning of grain
CH81413A
(en )
1919-06-02
Method and device for preventing liquid lines from freezing
CH82982A
(en )
1919-11-01
Process for the extraction of soluble components from cellulose-containing substances
CH152869A
(en )
1932-02-29
Method and device for denicotinization of tobacco.
CH81594A
(en )
1919-06-16
Pan-like device for making Knöpfli
CH82752A
(en )
1919-10-16
Method and apparatus for treating tar with hot air
FR507978A
(en )
1920-09-28
Method and apparatus for drying and spreading hides
AT91373B
(en )
1923-02-26
Process for dewatering oils and emulsions.
CH78545A
(en )
1918-08-01
Method and device for electroosmotic drainage of plant, animal and mineral substances
CH83517A
(en )
1919-12-16
Method and device for the production of photographs of terrain from aircraft
AT90889B
(en )
1923-01-25
Method and device for classifying fine material.
CH79615A
(en )
1919-04-01
Method and device for cleaning knife blades
CH79612A
(en )
1918-12-16
Method and device for manufacturing objects from concrete
FR521446A
(en )
1921-07-13
Method and apparatus for spraying materials
CH82397A
(en )
1919-10-01
Apparatus for extracting and mixing peat
AT140717B
(en )
1935-02-25
Method and device for dewatering liquid organic substances.
AT87420B
(en )
1922-02-25
Washing device for the extraction of coke from waste and residues.
AT105029B
(en )
1926-12-27
Method and device for the synthetic production of ammonia.
AT102642B
(en )
1926-02-25
Method and device for the production of squibs.