|
GB8629574D0
|
|
Filtering media
|
|
GB8602423D0
|
|
Quadrupole mass spectrometers
|
|
CN1006076B
|
|
Recovery of gold form refractory auriferous iron-containing sulphidic material
|
|
CN1007624B
|
|
Recovery of gold from auriferous refractory iron-containing sulphidic ore
|
|
CN1006555B
|
|
Recovery of gold from refractory auriferous iron-containing sulphidic concentrate
|
|
EP0156482A1
|
|
Sm2Co17 alloys suitable for use as permanent magnets
|
|
GB8503125D0
|
|
Quadrupole mass spectrometers
|
|
CA1234289A
|
|
Recovery of platinum group metals from nickel-copper- iron matte
|
|
JPS6191304A
|
|
Production of copper fine powder
|
|
CA1229487A
|
|
Process for the recovery of silver from a residue essentially free of elemental sulphur
|
|
CA1234991A
|
|
Recovery of gold from auriferous refractory iron- containing sulphidic ore
|
|
CA1234290A
|
|
Recovery of gold from refractory auriferous iron- containing sulphidic material
|
|
CA1232139A
|
|
Process for separately recovering gold and silver from solution by carbon adsorption
|
|
CA1234291A
|
|
Recovery of gold from auriferous refractory iron- containing sulphidic material
|
|
CA1235907A
|
|
Recovery of gold from refractory auriferous iron- containing sulphidic concentrates
|
|
EP0175824A1
|
|
Production of fine spherical copper powder
|
|
CA1228483A
|
|
Process for the pressure oxidation acid leaching of non-ferrous metal and iron-containing sulphidic material
|
|
GB8414219D0
|
|
Production of nickel-chromium/carbide coating on substrates
|
|
CA1219708A
|
|
Aureate coins, medallions and tokens
|
|
FI841458A0
|
|
Foer faring foer utvinning av koppar och zink ur sulfidmalmer
|
