CH55538A
(en )
1912-08-16
Manufacturing process of disodium cyanamide
CH56739A
(en )
1912-12-02
Manufacturing process of dipotassium cyanamide
FR414820A
(en )
1910-09-12
Manufacturing process of dibromisatin
FR440210A
(en )
1912-07-05
Manufacturing process of hydroalkaloids of quinquinas
FR426953A
(en )
1911-07-22
Manufacturing process of hydroalkaloids of quinquinas
FR466619A
(en )
1914-05-19
Manufacturing process of methyl-hexamethylenetetramine sulfocyanide
FR477486A
(en )
1915-10-22
Manufacturing process of toothed wheels
FR434405A
(en )
1912-02-02
Manufacturing process of orthooxyazoic dyestuffs
FR413117A
(en )
1910-08-01
Manufacturing process of nitrous compounds
FR12327E
(en )
1910-08-29
Manufacturing process of nitrous compounds
FR414837A
(en )
1910-09-12
Manufacturing process of nitrogen compounds
FR438346A
(en )
1912-05-14
Manufacturing process of artificial granite
FR433995A
(en )
1912-01-20
Manufacturing process of nitrogen compounds of silicon
FR448927A
(en )
1913-02-13
Manufacturing process of alkali sulphides
FR17244E
(en )
1913-07-26
Manufacturing process of alkali sulphides
FR421886A
(en )
1911-03-07
Manufacturing process of artificial marble
FR19578E
(en )
1915-03-16
Manufacturing process of? - chloranthraquinones
FR446323A
(en )
1912-12-02
Manufacturing process of? - chloranthraquinones
FR405037A
(en )
1909-12-17
Manufacturing process of artificial marble
FR432400A
(en )
1911-12-05
Manufacturing process of artificial threads
FR401679A
(en )
1909-09-08
Manufacturing process of nitrobenzol
FR415683A
(en )
1910-10-01
Manufacturing process of amido-aryl-acidyl-amido-anthraquinones
FR427546A
(en )
1911-08-05
Process for the manufacture of xylolite
FR412582A
(en )
1910-07-16
Manufacturing process of bi-metal tubes
FR421956A
(en )
1911-03-09
Manufacturing process of core supports