ZA747921B
(en )
1975-12-31
Improvements in and relating to the refining of metals
ZA747461B
(en )
1975-12-31
Improvements in or relatiing to the pouring of metals
ZA747764B
(en )
1975-12-31
Improvements in and relating to the refining of metals
ZA751709B
(en )
1976-02-25
Improvements in and relating to the refining of metals
ZM676A1
(en )
1977-08-22
Improvements in or relating to the electrowinning of metals
MY8100211A
(en )
1981-12-31
Improvements in and relating to the continous application of coatings by electrolysis
ZA747922B
(en )
1975-12-31
Improvements in and relating to the separation of metals
HK14281A
(en )
1981-04-24
Improvements in or relating to the manufacture of lincomycin
ZA742933B
(en )
1975-12-31
Mercurycathode cells improvements in or relating to the operation of
HK78379A
(en )
1979-11-16
Improvements in or relating to the attachment of metal elements to metal members
ZA746530B
(en )
1975-10-29
Improvements relating to electrolytic cells
ZA737205B
(en )
1974-08-28
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
ZA755803B
(en )
1976-08-25
Electrolytic refining
ZA741309B
(en )
1975-02-26
Improvements in or relating to packagung
ZA74243B
(en )
1974-11-27
Improvements in or relating to the electrolytic refining of metals
AU479683B2
(en )
1975-07-10
Improvements in or relating to the electrolytic refining of metals
ZM1974A1
(en )
1974-12-20
Improvements in or relating to the electrolytic refining of metal
PH10339A
(en )
1976-12-09
Improvement in or relating to the electrolytic refining of metal
ZA738006B
(en )
1974-09-25
Improvements in or relating to woolgrease
ZM7670A1
(en )
1971-03-22
Improvements in the electrolytic refining of metals
ZA703928B
(en )
1971-02-24
Improvements in the electrolytic refining of metals
ZA726389B
(en )
1974-06-26
Improvements in or relating to the production of ferrochromium alloys
AU6020973A
(en )
1975-03-13
Electrolytic refining of metal
ZA72779B
(en )
1972-10-25
Improvements in or relating to electrolytic furnaces for the production of aluminium