CH26402A
(en )
1903-08-31
New plant for the industrial treatment of mattes and raw metals
FR321392A
(en )
1903-01-09
Improved process and apparatus for the industrial treatment of mattes and raw metals in a reverberation furnace
FR803E
(en )
1903-04-02
Improved process and apparatus for the industrial treatment of mattes and raw metals in a reverberation furnace
FR335476A
(en )
1904-01-27
Sulfur powder for the treatment of plants
FR2440E
(en )
1904-04-07
Sulfur powder for the treatment of plants
FR331484A
(en )
1903-09-15
Improved process and installation for the production of brewery cake
FR334103A
(en )
1903-12-11
New metal sulphide treatment process
FR2882E
(en )
1904-07-12
Sulfur powder for the treatment of plants
FR335758A
(en )
1904-02-12
Advanced Metal Casting Process
FR348733A
(en )
1905-04-25
Treatment of zinc ores
FR4721E
(en )
1905-09-28
Treatment of zinc ores
CH25044A
(en )
1903-03-31
Plant for the electrometallurgical treatment of iron ore
FR398699A
(en )
1909-06-11
Chemical and mechanical process for the treatment of ores which contain lime carbonate
FR323293A
(en )
1903-03-02
New sludge treatment process
GB190409482A
(en )
1905-03-30
Process of Refining Metals
FR327464A
(en )
1903-06-24
Perforated brick for drainage and water filtration
CH66134A
(en )
1914-11-16
Process and plant for sewage treatment
CH27288A
(en )
1903-12-31
Plant for the production of coke
FR370783A
(en )
1907-02-19
Treatment of antimonio-auriferous and arsenical-auriferous ores
FR1342E
(en )
1903-07-13
Antimony ore treatment process
FR323725A
(en )
1903-03-12
Advanced furnace for melting metals, ores, and processing materials requiring high temperatures
FR361403A
(en )
1906-06-22
Application of a glass coating to industrial metal devices for the treatment of perfume products
FR336605A
(en )
1904-03-14
Advanced furnace for the manufacture of ore briquettes
CA93944A
(en )
1905-06-27
Electro-endosmotic process of freeing material from fluids
FR324679A
(en )
1903-04-08
Ferro-chrome nozzles, crucibles and coatings applicable to the metallurgical treatment of ores and mainly sulphide ores