ZA722581B
(en )
1973-11-28
Improvements in and relating to the manufacture of pigments
ZA747921B
(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
ZA747764B
(en )
1975-12-31
Improvements in and relating to the refining of metals
ZA713326B
(en )
1972-01-26
Improvements in and relating to ferrous alloys
MY7800236A
(en )
1978-12-31
Reduction of iron in titanium ore
AU465524B2
(en )
1975-10-02
Improvements in beneficiation of ores
ZA728256B
(en )
1973-07-25
Improvements in and relating to valve assemblies
MY7900091A
(en )
1979-12-31
Improvements in and relating to herbicides
PH10169A
(en )
1976-09-15
Improvements in and relating to ferrous alloys
ZA716809B
(en )
1972-06-28
Improvements in and relating to the reduction of iron-containing ores
EG10855A
(en )
1976-10-31
Improvements in and relating to the beneficiation of limenite ores
HK50378A
(en )
1978-09-15
Improvements in and relating to cameras
HK45676A
(en )
1976-07-23
Improvements in and relating to the production of benzylpyrimidines
AU423616B2
(en )
1972-04-27
Improvements in and relating tothe reduction of iron-containing ores
ZA722113B
(en )
1972-12-27
Improvements in and relating to the beneficiation of ilmenite ores
ZA724225B
(en )
1973-03-28
Improvements in and relating to adhesives
IL38541A0
(en )
1972-03-28
Improvements in and relating to tracked vehicle suspensions
AU476210B2
(en )
1976-09-16
Improvements in and relating tothe beneficiation of ilmenite
HK9977A
(en )
1977-03-04
Improvements in and relating to line-throwing rockets
ZA721775B
(en )
1973-01-31
Improvements in and relating to current converter arrangements
ZA711887B
(en )
1972-05-31
Improvements in and relating to the recovery of copper
AU3092271A
(en )
1973-01-11
Improvements in or relating to the smelting of metal ores
ZA729136B
(en )
1973-09-26
Improvements in and relating to micro-film re-enlargements
AU409803B2
(en )
1967-04-13
Improvements in or relating to the reduction of iron ore pellets and the production of sponge iron