CH81579A
(en )
1919-06-16
Process for the production of fuel agglomerates
FR538804A
(en )
1922-05-15
Process for the production of urea
FR520089A
(en )
1921-06-20
Process for the production of explosives
FR533176A
(en )
1922-02-23
Process for the manufacture of cokemetallurgical
FR526686A
(en )
1921-10-12
Process for the production of arylaminated aminoanthraquinones
FR511225A
(en )
1920-12-20
Process for the production of a fuel
FR518588A
(en )
1921-05-27
Process for the manufacture of plastic explosives
CH84734A
(en )
1920-08-16
Process for the manufacture of an insecticide.
FR21742E
(en )
1921-01-12
Process for the manufacture of cartons
FR516629A
(en )
1921-04-23
Process for the manufacture of perborates
FR514026A
(en )
1921-03-01
Waterproofing process
FR509530A
(en )
1920-11-12
Furnace for zinc production
FR22587E
(en )
1921-07-23
Process for the production of cellulose ethers
FR517363A
(en )
1921-05-04
Process for the production of stainless steel
FR519503A
(en )
1921-06-11
Process for the construction of small houses
FR501814A
(en )
1920-04-27
Manufacturing process of agglomerates of all kinds
FR554626A
(en )
1923-06-14
Process for the manufacture of large electrodes
FR518574A
(en )
1921-05-27
Process for the production of acetic aldehyde
FR513671A
(en )
1921-02-21
Process for the production of ferro-tungsten
FR533072A
(en )
1922-02-18
Process for the improvement of poor quality lignite
FR533619A
(en )
1922-03-07
Process for obtaining metallic zirconium
FR511913A
(en )
1921-01-07
Process for the manufacture of strawberries
FR526738A
(en )
1921-10-13
Process for the manufacture of plastics
FR535938A
(en )
1922-04-22
Process for the production of oxalic acid
FR543796A
(en )
1922-09-08
Process and furnace for the electro-thermal production of zinc