ZA74540B
(en )
1974-11-27
Novel electrodes and their preparations
ZA747921B
(en )
1975-12-31
Improvements in and relating to the refining of metals
ZA747764B
(en )
1975-12-31
Improvements in and relating to the refining of metals
ZA741684B
(en )
1975-02-26
Improved electroplating processes and compositions
ZA741707B
(en )
1975-07-30
Determining heavy element concentration in ores
ZA73533B
(en )
1973-10-31
Concentration of nickel values in oxidized ores
ZA754004B
(en )
1976-06-30
Concentration of ore by flotation
ZA747922B
(en )
1975-12-31
Improvements in and relating to the separation of metals
HK20177A
(en )
1977-05-06
Improvements in or relating to retaining rings
ZA755978B
(en )
1976-08-25
Improvements in or relating to the electrodeposition of gold
ZA757204B
(en )
1976-10-27
Improvements in or relating to magnetic separation
HK88579A
(en )
1980-01-04
Improvements in and relating to magnetic material
ZA75344B
(en )
1976-01-28
Improvements in or relating to magnetic separation
ZA748253B
(en )
1976-01-28
Improved enzyme complexes and their use
PH10102A
(en )
1976-08-25
Concentration of nickel values in oxidized ores
ZM7873A1
(en )
1974-01-21
Concentration of precious metals
JPS51115887A
(en )
1976-10-12
Concentration meter
ZA74229B
(en )
1975-01-29
Pelletizing ores and concentrates
ZA751067B
(en )
1976-01-28
Improvement in the selective reduction of oxidised metal ores
ZA738192B
(en )
1975-02-26
Improvements in electroplating
JPS5286913A
(en )
1977-07-20
Concentration of tinaium ore
ZA7419B
(en )
1974-11-27
Leaching of nickel ores
ZA746959B
(en )
1975-11-26
Improvements in and relating to structural elements
AU6560474A
(en )
1975-08-14
Extracting nickel and other metals
ZA742883B
(en )
1975-05-28
Improvements in and relating to alloys