ZA754138B
(en )
1976-07-28
Improvements in or relating to the processing of metal sulphides
ZA747921B
(en )
1975-12-31
Improvements in and relating to the refining of metals
ZA755979B
(en )
1976-08-25
Improvements in or relating to the electrodeposition of noble metal alloys
ZA751709B
(en )
1976-02-25
Improvements in and relating to the refining of metals
ZA747461B
(en )
1975-12-31
Improvements in or relatiing to the pouring of metals
ZM676A1
(en )
1977-08-22
Improvements in or relating to the electrowinning of metals
ZA747764B
(en )
1975-12-31
Improvements in and relating to the refining of metals
YU39936B
(en )
1985-06-30
Cell for the electrolysis of alkali metal chlorides
ZA775748B
(en )
1978-08-30
Improvements in or relating to the electrolytic production of fluorine
MY7800236A
(en )
1978-12-31
Reduction of iron in titanium ore
ZA755978B
(en )
1976-08-25
Improvements in or relating to the electrodeposition of gold
ZA761063B
(en )
1977-02-23
Improvements in or relating to the pouring of metals
ZA718071B
(en )
1972-09-27
Improvements in or relating to the recovery of metal values
PH10339A
(en )
1976-12-09
Improvement in or relating to the electrolytic refining of metal
ZA755803B
(en )
1976-08-25
Electrolytic refining
ZM1974A1
(en )
1974-12-20
Improvements in or relating to the electrolytic refining of metal
HK78379A
(en )
1979-11-16
Improvements in or relating to the attachment of metal elements to metal members
ZA74243B
(en )
1974-11-27
Improvements in or relating to the electrolytic refining of metals
ZA751710B
(en )
1976-02-25
Improvements in and relating to the separation of metals
AU479683B2
(en )
1975-07-10
Improvements in or relating to the electrolytic refining of metals
ZM15573A1
(en )
1974-07-22
Improvements in or relating to the electrolytic refining of metal
ZA737205B
(en )
1974-08-28
Improvements in or relating to the electrolytic refining of metals
ZA751363B
(en )
1976-02-25
Improvements in the extraction of metals
HK8381A
(en )
1981-03-20
Improvements in or relating to electrolytic capacitors
ZA742485B
(en )
1975-04-30
Improvements in or relating to the production of metal strip from powder