CH51914A
(en )
1911-10-02
Manufacturing process of construction elements
CH60446A
(en )
1913-07-16
Manufacturing process of construction elements
FR429665A
(en )
1911-09-28
Manufacturing process of white enamels
FR455732A
(en )
1913-08-07
Manufacturing process of a fertilizer
FR446323A
(en )
1912-12-02
Manufacturing process of? - chloranthraquinones
FR19578E
(en )
1915-03-16
Manufacturing process of? - chloranthraquinones
FR430991A
(en )
1911-10-28
Method of manufacturing a drying agent
FR414820A
(en )
1910-09-12
Manufacturing process of dibromisatin
FR16042E
(en )
1912-11-05
Manufacturing process of white enamels
FR466619A
(en )
1914-05-19
Manufacturing process of methyl-hexamethylenetetramine sulfocyanide
FR415683A
(en )
1910-10-01
Manufacturing process of amido-aryl-acidyl-amido-anthraquinones
CH49906A
(en )
1911-04-01
Acetin manufacturing process
FR426953A
(en )
1911-07-22
Manufacturing process of hydroalkaloids of quinquinas
FR413061A
(en )
1910-07-30
Manufacturing process of artificial fertilizer
FR421393A
(en )
1911-02-21
Manufacturing process of hollow axles
FR450228A
(en )
1913-03-19
Manufacturing process of white enamels
FR438908A
(en )
1912-05-31
Manufacturing process of white enamels
FR17112E
(en )
1913-06-20
Manufacturing process of white enamels
FR520648A
(en )
1921-06-28
Manufacturing process of roofing elements
FR463623A
(en )
1914-02-27
Manufacturing process of white enamels
FR421886A
(en )
1911-03-07
Manufacturing process of artificial marble
FR440210A
(en )
1912-07-05
Manufacturing process of hydroalkaloids of quinquinas
FR469636A
(en )
1914-08-05
Manufacturing process of elements for mosaic flooring
CH55144A
(en )
1912-08-01
process for manufacturing potassium amide
FR428710A
(en )
1911-09-06
Asphalt manufacturing process