CY53A
(en )
1937-09-27
Improvements in or relating to the recovery of gold from ores
GB506704A
(en )
1939-06-02
Improvements in or relating to stenters
AU100264B2
(en )
1937-02-01
Improvements in or relating tothe recovery of gold from ores
AU249636A
(en )
1937-02-01
Improvements in or relating tothe recovery of gold from ores
CY59A
(en )
1941-05-22
Improvements in or relating to gravity separation of ores
AU923832A
(en )
1933-09-14
Improvements in or relating tothe recovery of gold from minerals
GB502737A
(en )
1939-03-23
Improvements in or relating to the production of aliphatic amines
AU107610B2
(en )
1939-06-15
Improvements in or relating tothe recovery of metals from ores
AU103509B2
(en )
Improvements in or relating tothe concentration of ores
FR841278A
(en )
1939-05-15
Improvements in the recovery of metals from ores
CA353288A
(en )
1935-10-01
Gold recovery
AU372538A
(en )
1939-06-15
Improvements in or relating tothe recovery of metals from ores
AU102292B2
(en )
1937-11-04
Machine for the recovery of gold and other metals
GB502725A
(en )
1939-03-24
Improvements in or relating to the manufacture of acetaldehyde
AU101985B2
(en )
1937-09-16
Improvements relating to the extraction of gold and / or silver from ores and metallurgical products
AU1174423A
(en )
1933-05-19
Improvements in or relating to the treatment of ores containing iron or other metal
GB504051A
(en )
1939-04-19
Improvements in or relating to the extraction of sterols
AU1747734A
(en )
1934-10-25
Improvements in or relating tothe extraction of gold-bearing ores
IE13135L
(en )
1934-06-29
Reduction of ores
CA359984A
(en )
1936-08-25
Gold ore processing
GB321213A
(en )
1929-11-04
Improvements in or relating to the recovery of copper from ores and the like
CA354045A
(en )
1935-11-12
Ore pulp value recovery
AU441036A
(en )
1937-11-04
Machine for the recovery of gold and other metals
AU105140B2
(en )
1938-09-22
Improvements in chloride-steam treatment of ores under calcination to facilitate recovery ofthe precious metals contained therein
AU319036A
(en )
1937-09-16
Improvements relating to the extraction of gold and / or silver from ores and metallurgical products