FR865438A
(en )
1941-05-23
Rolling process for t-shaped steel sections, in particular for welded metal structures
FR766167A
(en )
1934-06-22
Manufacturing process of cast iron or steel
FR748898A
(en )
1933-07-12
Method and devices for obtaining cast steel parts having recesses of determined shapes
FR831275A
(en )
1938-08-29
Process for deoxidizing steel baths
FR831534A
(en )
1938-09-07
Process for the molding of metal or steel ingots, and machine for its application
FR737729A
(en )
1932-12-15
Process for the improvement of unstressed cast steel
FR40865E
(en )
1932-09-16
Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding
FR799766A
(en )
1936-06-19
Process for the treatment of steel
FR42845E
(en )
1933-11-04
Process for improving the joining of steel parts in general, and particularly of cast or rolled metal parts
FR808692A
(en )
1937-02-12
Process for making special steel by adding sulfur
FR815230A
(en )
1937-07-08
Process for the protection of iron and steel against rust
FR815227A
(en )
1937-07-08
Process for the dephosphorization and desulphurization of steel
FR806528A
(en )
1936-12-18
Process for obtaining smooth surfaces when casting castings of steel or other metal
FR717672A
(en )
1932-01-12
Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding
FR802018A
(en )
1936-08-25
Method of establishing molds or parts of metal molds for glassware
FR736265A
(en )
1932-11-22
Casting process for large ingots or large steel castings
FR816219A
(en )
1937-08-03
Process for sealing metal parts on insulators
FR798012A
(en )
1936-05-08
Method and device for simultaneously performing the backwashing, subdivision and compression of rough cast iron and steel blocks with cross-section
FR816153A
(en )
1937-08-02
Process for the preparation of iron and steel
FR729991A
(en )
1932-08-04
Process for improving the joining of steel parts in general, and particularly of cast or rolled metal parts
FR853560A
(en )
1940-03-22
Process for the deoxidation and degassing of steel
FR763714A
(en )
1934-05-05
Process for welding iron and non-austenitic iron alloys or steel and steel alloys
FR775374A
(en )
1934-12-27
Process for the introduction of steel components into aluminogenic iron
FR762928A
(en )
1934-04-20
Process for the regeneration of slag, applicable to the formation of alloys
FR880958A
(en )
1943-04-12
Process for producing phosphate coatings on iron and steel