AT155959B
(en )
1939-04-25
Process for the production of iron, steel and iron alloys by treating molten, liquid pig iron with sodium salts.
CH208782A
(en )
1940-02-29
Process for the production of wear-resistant workpieces.
FR799842A
(en )
1936-06-20
Steel case-hardening process
CH203195A
(en )
1939-02-28
Process for the heat treatment of metals of the iron group and their alloys.
FR800003A
(en )
1936-06-25
Refining process for steels
CH208788A
(en )
1940-02-29
Process for the production of metals by reducing ores with the aid of currents of high frequency.
CH161628A
(en )
1933-05-15
Process for the production of welded structures that contain wrought iron and cast components.
AT155615B
(en )
1939-02-25
Process for bright pickling of metals, especially iron.
AT156095B
(en )
1939-05-10
Process for the production of magnesium and alkaline earth metals by molten electrolysis.
AT105036B
(en )
1926-12-27
Process for the production of iron alloys, in particular chromium steel that remains bright, and of other alloys.
AT148704B
(en )
1937-02-25
Process for the deformation of iron-carbon alloys such as pig iron, cast iron or malleable cast iron.
CH182733A
(en )
1936-02-29
Process for bright pickling of metals.
FR799766A
(en )
1936-06-19
Process for the treatment of steel
AT169064B
(en )
1951-10-10
Process for the reduction of ores, in particular iron ores
FR775498A
(en )
1934-12-28
Steel hardening process
CH183433A
(en )
1936-04-15
Process for the production of long-life finishing agents and long-life finishing agents prepared according to the same.
AU105919B2
(en )
1938-12-08
Process for the manufacture of iron , steel and ferrous alloys from pig iron
CH166277A
(en )
1933-12-31
Process for the production of the metal links of zippers.
AT187538B
(en )
1956-10-25
Process for producing high-quality steel by refining or deoxidizing with slag
FR43855E
(en )
1934-09-07
Process for the cementation of iron, steel and their alloys
CH201631A
(en )
1938-12-15
Process for the electrolytic production of oxide-containing coatings on aluminum-free magnesium alloys.
AT148715B
(en )
1937-02-25
Process for the continuous digestion of bauxite.
CH294030A
(en )
1953-10-31
Process for the production of phosphate coatings on metals, in particular iron, steel and zinc, with phosphate solutions.
AU502937A
(en )
1938-12-08
Process for the manufacture of iron , steel and ferrous alloys from pig iron
CH182771A
(en )
1936-02-29
Process for welding non-austenitic iron and steel alloys.