GR451B
(en )
1923-06-11
IMPROVEMENTS IN METHODS OF CONVERSION OF METALS AND MANUFACTURE OF METAL ALLOY.
DK33313C
(en )
1924-06-02
METHOD OF REDUCTION OF METALS AND MANUFACTURE OF ALLOYS.
FR575895A
(en )
1924-08-07
Improvement in metal reduction and alloy fabrication methods
FR583408A
(en )
1925-01-13
Improvements made to metal alloys
ES84730A1
(en )
1923-06-01
Improvements in the methods of reducing metals and preparing their alloys.
SU24132A1
(en )
1931-11-30
The method of producing alloys of metals
ES86603A1
(en )
1923-11-01
Improvements in the manufacture of wrought iron and its alloys.
ES96361A1
(en )
1926-03-16
Improvements in the reduction of metals and preparation of alloys.
ES110500A1
(en )
1929-01-16
Perfeccionamientos in the manufacture of metals and alloys.
FR575691A
(en )
1924-08-04
Metal post
ES110653A1
(en )
1929-02-01
Improvements in the reduction of metallic minerals and manufacture of metals and metal alloys.
FR584061A
(en )
1925-01-29
Improvements in the treatment of impure metals and alloys
FR579380A
(en )
1924-10-15
Metal can
FR514215A
(en )
1921-03-05
New metal alloy
FR567157A
(en )
1924-02-26
New hard and malleable alloy
FR572803A
(en )
1924-06-13
Improvement in metal wheels
ES91734A1
(en )
1925-03-16
Improvements in the process of producing metals and alloys by reducing oxides or oxidiferous minerals.
FR552521A
(en )
1923-05-02
Improvements in the manufacture of ferrous alloys
ES79896A1
(en )
1922-02-16
Improvements in the manufacture of steel and alloys of this metal.
DK38935C
(en )
1928-07-02
Magnetic Alloy.
ES71694A1
(en )
1920-03-01
Improvements in the manufacture of metallic alloys.
ES73907A1
(en )
1920-08-16
Metal alloy.
ES93752A1
(en )
1926-08-01
Improvements in methods of producing metals from iron ores and the like.
CA229817A
(en )
1923-03-27
Alloy steel
AU569322A
(en )
1922-08-22
Bearing metal alloys