CH160168A
(en )
1933-02-28
Method of manufacturing glyoxal.
FR729742A
(en )
1932-07-30
Manufacturing process of ketones
FR733294A
(en )
1932-10-03
Magnesium manufacturing process
FR794096A
(en )
1936-02-07
Furfurol manufacturing process
FR731798A
(en )
1932-09-08
Ribbons manufacturing process
FR730727A
(en )
1932-08-20
Manufacturing process of metal structures
FR734336A
(en )
1932-10-19
Method of manufacturing metal tubes
FR698138A
(en )
1931-01-27
Manufacturing process of mincers
FR720289A
(en )
1932-02-17
Manufacturing process of 1-phenyl-2, 3-dimethyl-5-pyrazolone
FR711595A
(en )
1931-09-12
Manufacturing process of 1, 4 dioxane
FR726486A
(en )
1932-05-30
Manufacturing process of sound films
FR728780A
(en )
1932-07-11
Manufacturing process of pipe connections
FR715009A
(en )
1931-11-24
Chlorobenzol manufacturing process
FR740817A
(en )
1933-02-01
Yeast manufacturing process
FR701194A
(en )
1931-03-12
Method of manufacturing metal tubes
FR708842A
(en )
1931-07-29
Viscose manufacturing process
FR720646A
(en )
1932-02-22
Manufacturing process of 3-menthene
FR718957A
(en )
1932-01-30
Manufacturing process for tubular parts
FR730997A
(en )
1932-08-26
Sodium bicarbonate manufacturing process
FR727770A
(en )
1932-06-24
Para-oxy-camphor manufacturing process
FR724105A
(en )
1932-04-22
Manufacturing process of 1-aryl-1-chloro-ethanes
FR725789A
(en )
1932-05-18
Boron manufacturing process
FR735086A
(en )
1932-11-03
Process for manufacturing cellulose films
FR748699A
(en )
1933-07-07
Manufacturing process for thiourea
FR733409A
(en )
1932-10-05
Consistent grease manufacturing process