CH66908A
(en )
1914-10-16
Melting furnace for the production of metal molded objects
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH74244A
(en )
1917-02-01
Melting furnace
CH66393A
(en )
1914-09-16
Process for the manufacture of metal sheaths on arc lamp coals
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
FR470227A
(en )
1914-08-28
Smoking furnace
DK23527C
(en )
1918-09-16
Process for the production of metal sulphides.
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
AU1279014B
(en )
1914-06-16
Improvements in muffle furnaces forthe production of zinc
AT68057B
(en )
1915-02-25
Process for the production of lightweight bricks from blast furnace slag.
FR470136A
(en )
1914-08-21
Process for the manufacture of briquettes
AT87461B
(en )
1922-02-25
Process for the production of alkali amide.
CH68919A
(en )
1915-05-01
Process for the production of nitrogen
CH64235A
(en )
1914-03-16
Process for the production of nitrogen
CH67705A
(en )
1915-01-02
Process for the production of nitrogen
FR451442A
(en )
1913-04-18
Blast furnace crucible
DK20204C
(en )
1915-05-31
Metal melting furnace.
CH68918A
(en )
1915-05-01
Process for the preparation of zinc perborate
CH67108A
(en )
1914-11-02
Process for the production of magnesium perborate
CH68595A
(en )
1915-04-01
Process for the production of magnesium perborate
CH67761A
(en )
1915-01-16
Process and furnace for the production of calcium cyanamide
CH72251A
(en )
1916-04-17
Process for the production of highly refractory articles
CH69969A
(en )
1915-08-02
Melting kettle with furnace
FR457859A
(en )
1913-09-27
Electrothermal manufacturing process of volatile metals
CH62523A
(en )
1913-12-01
Process for the production of refractory, electrically conductive moldings