AU2442625A
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1925-12-15
Apparatus for separating ifine metal particles from sand and ore :pulps
CA257947A
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1926-02-09
Apparatus for separating fine metal particles from sand and ore pulps
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1926-01-19
Process and apparatus for the reduction of ores
CA249225A
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1925-05-05
Apparatus for refining or separating metals
CA254927A
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1925-10-27
Apparatus for extracting volatile metals from their ores
CA247649A
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1925-03-17
Process of and apparatus for ore amalgamation
CA243323A
(en )
1924-09-30
Method of separating ore particles
AU2646925A
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1926-12-31
Process of extracting metals from their ores
CA256358A
(en )
1925-12-15
Apparatus for the electrical precipitation of suspended particles
CA298531A
(en )
1930-03-18
Process of separating cobalt and other metals from cobalt ores
AU101626A
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1926-09-25
Improvements in electro-chemical processes and apparatus for the extraction of copper and zinc from ores
CA295795A
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1929-12-17
Process for the extraction of lead from sulphite ores and metellurgical products
CA255354A
(en )
1925-11-10
Method and apparatus for treating ores
CA250855A
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1925-06-23
Apparatus for electro deposition of precious ores
CA248395A
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1925-03-31
Furnace for the direct reduction of metallic ores
AU2647025A
(en )
1926-12-31
Process of extracting lead from its ores
CA267965A
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1927-01-25
Sintering method for ores
CY21A
(en )
1931-11-02
Process and apparatus for the reduction of pyritic ores
CA270668A
(en )
1927-05-17
Apparatus for amalgamating metal
CA248573A
(en )
1925-04-07
Apparatus for the separation and classification of solid materials
CA250059A
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1925-05-26
Process and apparatus for reclaiming oil from metal chips
AU3048330A
(en )
1932-03-10
Improved apparatus for separating minerals from their ores
AU2321925A
(en )
1925-10-13
Method and apparatus for treating ores
CA307090A
(en )
1930-12-30
Apparatus for separating particles from liquids
CA298555A
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1930-03-25
Apparatus for extracting volatile metals from their ores