CH76561A
(en )
1918-01-16
Apparatus for the production of concentrated feed and the extraction of fat
CH75490A
(en )
1917-08-01
Machine for the production of briquettes
CH79922A
(en )
1919-06-02
Machine for the production of briquettes
CH76586A
(en )
1918-01-16
Process for the production of cork boards
AT96521B
(en )
1924-04-10
Process and apparatus for the production of pure furfural.
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH77941A
(en )
1918-06-01
Process for the production of natural top view images
CH78230A
(en )
1918-07-01
Device for the production of briquettes
CH80714A
(en )
1919-04-01
Machine for the production of bevel gears
CH79338A
(en )
1919-03-17
Process and apparatus for the electrolytic production of mercury oxide
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH76805A
(en )
1918-06-17
process for the production of nutrient pulp
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH80901A
(en )
1919-04-16
Process for the production of hollow bodies and hollow bodies produced by this method
CH78308A
(en )
1918-07-01
Process and device for the production of dry fuels
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
AT87482B
(en )
1922-02-25
Process for the production of asbestos slate and the like.
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors