AT27669B
(de )
1907-02-25
Verfahren zum Entschwefeln der rohen Blei-, Silber- und Golderze in der Birne.
GB190401767A
(en )
1904-10-13
Process for Extracting Metals, such as Lead and Silver, from Ores.
CH27075A
(de )
1903-11-30
Maschine zum Fassen von Edelsteinen, Kristallen, Glaskörpern u. s. w. in Metall
CA92032A
(en )
1905-03-07
Apparatus for extracting gold from auriferous sand, etc.
EA201900361A1
(ru )
2020-04-24
Реагент для флотационного обогащения углистых золотосодержащих руд с повышением извлечения золота
AU800307B
(en )
1908-01-14
Amalgamating process applicable to all gold and silver ores
GB190219591A
(en )
1902-12-04
Improvements in, and relating to Deep-boring Apparatus
GB190206554A
(en )
1903-03-12
Improvements in Lead Rivet Moulds
GB189403680A
(en )
1895-03-20
Improvements in Obtaining Gold and Silver from Ores and other Compounds, and Apparatus therefor.
GB190216403A
(en )
1903-06-04
Improvements in and relating to Weighing Apparatus.
GB190210102A
(en )
1903-03-12
Improvements in or relating to Apparatus for use in Electro Plating.
GB189518177A
(en )
1896-01-04
Process and Apparatus for the Extraction of Gold and Silver from their Ores, and from other Auriferous and Argentiferous Substances.
GB190000269A
(en )
1900-04-14
Improvements in Apparatus for Precipitating Gold and Silver from their Solutions.
GB190503194A
(en )
1905-06-08
Improvements in Smelting Sulphide Ores.
AU18904B
(en )
1905-06-13
An improved electrical hydrostatic amalgamating apparatus for extracting gold and silver from rock ores, slimes tailings, pyrites andother products
AU344205B
(en )
1905-11-14
Improvements in processes of extracting gold from its ores
AU141504B
(en )
1905-07-18
Improvements in ore concentrating apparatus
GB190217585A
(en )
1903-01-22
Process and Apparatus for the Production of Substances resembling Leather.
GB189516303A
(en )
1896-09-30
Improvements in the Treatment of Slimes or Tailings for the Extraction of Gold or Silver therefrom by Means of Solvents, and Apparatus for that Purpose.
AU266911B
(en )
1911-12-05
Improvements in apparatus forthe recovery of gold, silver andother precious metals from their ores
GB190212410A
(en )
1903-04-16
Improvement in Boot-trees.
AU800307A
(en )
1908-01-14
Amalgamating process applicable to all gold and silver ores
AU18904A
(en )
1905-06-13
An improved electrical hydrostatic amalgamating apparatus for extracting gold and silver from rock ores, slimes tailings, pyrites andother products
AU200304B
(en )
1905-08-01
Improvements in ore concentrating process
GB189423557A
(en )
1895-11-09
Improvements in or relating to Processes for the Extraction of Gold and Silver from Ores.