PH10352A
(en )
1976-12-20
Sydrometallurgical process for the production of copper
ZA7251B
(en )
1972-09-27
Process for the production of triazolobenzodiazepines and intermediates
IL43592A0
(en )
1974-03-14
Production of ultra-hard metals
ZA727357B
(en )
1973-06-27
Ore reduction process
ZA716037B
(en )
1973-04-25
Improved process of producing mineral ores
AU464390B2
(en )
1975-08-28
Extraction of nonferrous metals from iron-containing materials
ZA728785B
(en )
1973-09-26
Process for recovery of precious metals from copper-containing materials
ZM4871A1
(en )
1971-12-22
Process for the leaching and recovery of copper values from copper bearing materials
IL38755A0
(en )
1972-04-27
Process and apparatus for the production of reinforcement
ZA739078B
(en )
1975-03-26
Leaching of copper ores
ZA735063B
(en )
1974-06-26
Process for the electrolytic recovery of metals
JPS5387342A
(en )
1978-08-01
Method for production of new 44*44biphenyl**11butanol
YU226772A
(en )
1982-02-28
Process for the production of metal like aluminium
PH10028A
(en )
1976-07-13
Production of metals from metalliferous materials
IL37227A
(en )
1974-06-30
Method of reducingparticulate metals ores
IL37184A
(en )
1974-03-14
Method and apparatus for the production of refractory materials
ZM4771A1
(en )
1972-10-23
Drilling apparatus production of metals from metalliferous materials
ZA722158B
(en )
1973-11-28
Method of producing refractory material
IL41007A
(en )
1975-08-31
Apparatus for the production of gas
ZA711538B
(en )
1972-03-29
Production of metals from metalliferous materials
AU460720B2
(en )
1972-09-21
Production of metals from metalliferous materials
AU2650971A
(en )
1972-09-21
Production of metals from metalliferous materials
CA881414A
(en )
1971-09-21
Direct production of monotungsten carbide from ores
ZA7252B
(en )
1972-09-27
Process of recovering heavy minerals
ZM18271A1
(en )
1973-04-24
The segregation process for the recovery of metals