CY57A
(en )
1940-04-30
Improvements in or relating to the cyanide treatment of precious metal ores
GB533535A
(en )
1941-02-14
Improvements in or relating to the filtration of cyanide solutions
GB535059A
(en )
1941-03-27
Improvements in and relating to the treatment of sewage sludge
AU111259B2
(en )
Improvements in or relating tothe reduction of ores
FR862454A
(en )
1941-03-07
Improvements in the treatment of ores by flotation, and in particular of oxidized metal ores, in particular zinc ores
AU107470B2
(en )
1939-06-01
Methods and apparatuses of beneficiation or reduction of ores to metal
AU106168B2
(en )
1938-12-22
Improvemnts in and relating to the treatment of gold bearing ores
CA369043A
(en )
1937-09-28
Precious metal amalgamator
AU111658B2
(en )
1940-10-10
Improvements in or relating tothe treatment and assembly of lapped metal parts
AU107068B2
(en )
1939-04-20
Improvements in and relating tothe treatment of gold bearing ores
AU107241B2
(en )
1939-05-01
Improvements in and relating tothe treatment of gold bearing ores
GB533765A
(en )
1941-02-19
Improvements in or relating to electromagnets
AU105140B2
(en )
1938-09-22
Improvements in chloride-steam treatment of ores under calcination to facilitate recovery ofthe precious metals contained therein
GB519294A
(en )
1940-03-20
Improvements in or relating to belt shifters
AU521738A
(en )
1939-06-01
Methods and apparatuses of beneficiation or reduction of ores to metal
AU532337A
(en )
1938-12-22
Improvemnts in and relating to the treatment of gold bearing ores
AU111412B2
(en )
1940-09-12
Improvements in or relating to the refining of pig iron and the production of steels and alloy steels
AU1174423A
(en )
1933-05-19
Improvements in or relating to the treatment of ores containing iron or other metal
AU302638A
(en )
1939-04-20
Improvements in and relating tothe treatment of gold bearing ores
AU404138A
(en )
1939-05-01
Improvements in and relating tothe treatment of gold bearing ores
CA383706A
(en )
1939-08-29
Titanium iron ore processing
AU2291635A
(en )
1935-12-19
Cyanide process forthe recovery of gold or like precious metals
AU395837A
(en )
1938-09-22
Improvements in chloride-steam treatment of ores under calcination to facilitate recovery ofthe precious metals contained therein
AU103873B2
(en )
1938-05-19
Improvements in or relating tothe production of iron from iron ore
AU105712B2
(en )
1993-11-17
Improvements in or relating to processes of concentrating minerals from their ores