FR766167A
(en )
1934-06-22
Manufacturing process of cast iron or steel
FR761194A
(en )
1934-03-13
Process for the production of pig iron from scrap steel
FR831275A
(en )
1938-08-29
Process for deoxidizing steel baths
FR876757A
(en )
1942-11-17
Process for the direct production of steel and iron from ores
FR810871A
(en )
1937-04-01
Process for the production of low phosphorus thomas steel
FR728364A
(en )
1932-07-05
Process for the production of corrosion resistant coatings on iron and steel
FR765059A
(en )
1934-06-01
Process for accelerating metallurgical reactions between the addition slag and the metal bath
FR851815A
(en )
1940-01-16
Process for the production of steel from cast iron
FR853560A
(en )
1940-03-22
Process for the deoxidation and degassing of steel
FR761020A
(en )
1934-03-08
Improved process for manufacturing blanks for the production of cast iron or malleable steel
FR761898A
(en )
1934-03-29
Process for improving the properties of light metals
FR831534A
(en )
1938-09-07
Process for the molding of metal or steel ingots, and machine for its application
FR41415E
(en )
1933-01-10
Process for extracting molybdenum from mixtures of molybdenum or its compounds with other metals or metal compounds
FR865062A
(en )
1941-05-13
Process for the manufacture of molten iron or steel from iron castings containing chromium
FR762928A
(en )
1934-04-20
Process for the regeneration of slag, applicable to the formation of alloys
FR801752A
(en )
1936-08-17
Process and furnace for refining and alloying metals, and products obtained
FR825699A
(en )
1938-03-10
Process for the production of Thomas steel
FR846061A
(en )
1939-09-08
Process for the production of low phosphorus thomas steel
FR859528A
(en )
1940-12-20
Process for upgrading the slag obtained in the manufacture of steel
FR716535A
(en )
1931-12-22
Process for the manufacture and processing of steel and alloys of iron and steel
FR763714A
(en )
1934-05-05
Process for welding iron and non-austenitic iron alloys or steel and steel alloys
FR857861A
(en )
1940-10-03
Process for the production of steel
FR868471A
(en )
1941-12-31
Process for the direct production of steel
FR821512A
(en )
1937-12-07
Process for the preparation of Thomas steel
FR810588A
(en )
1937-03-24
Process for manufacturing steel from low manganese ores