AT148704B
(en )
1937-02-25
Process for the deformation of iron-carbon alloys such as pig iron, cast iron or malleable cast iron.
CH161628A
(en )
1933-05-15
Process for the production of welded structures that contain wrought iron and cast components.
CA328107A
(en )
1932-11-29
Cast iron hardening method
CH203195A
(en )
1939-02-28
Process for the heat treatment of metals of the iron group and their alloys.
AT140838B
(en )
1935-02-25
Process for surface hardening of austenitic steels or alloys.
CH138522A
(en )
1930-02-28
Process for deoxidizing iron or steel.
CA319561A
(en )
1932-02-09
Hardening of alloy steel
CH166277A
(en )
1933-12-31
Process for the production of the metal links of zippers.
AT155615B
(en )
1939-02-25
Process for bright pickling of metals, especially iron.
AT108109B
(en )
1927-11-25
Process for the manufacture of low-sulfur cast iron.
CA328507A
(en )
1932-12-13
Steel heating method for hardening
AT155959B
(en )
1939-04-25
Process for the production of iron, steel and iron alloys by treating molten, liquid pig iron with sodium salts.
DK44643C
(en )
1931-09-28
Method of Casting Metal and Casting Machine for Execution of the Method.
GR7759B
(en )
1938-11-05
METHOD OF HARDENING OF IRONS, IRON STEEL OR STEEL OBJECTS OF ALL KINDS.
DK53964C
(en )
1937-12-06
Procedure for hardening iron and steel objects.
CA321708A
(en )
1932-04-19
Metal deoxidizing method
ES128934A1
(en )
1933-01-16
A process for hardening iron, steel and the like
CA337662A
(en )
1933-12-05
Steel hardening process
CA304446A
(en )
1930-09-30
Method of hardening the surfaces of steel castings
CA321112A
(en )
1932-03-29
Metal casting process
CH182771A
(en )
1936-02-29
Process for welding non-austenitic iron and steel alloys.
ES123674A1
(en )
1931-08-16
Improvements introduced in the manufacture of metal castings.
ES126786A1
(en )
1932-07-01
An improved process for the manufacture of steels.
CA316377A
(en )
1931-10-20
Iron hardening method
CH175407A
(en )
1935-02-28
Process for changing the strength properties of non-cutting deformed light metal alloys.