AU1784824A
(en )
1924-11-11
Improvements in or relating to plant for washing coal and other minerals by means of liquid streams
CA247447A
(en )
1925-03-10
Plant for washing coal and other minerals by means of liquid streams
AU529826A
(en )
1927-04-26
Improvement in plant for washing coal and other minrals by means of liquid streams
AU546727A
(en )
1927-06-07
Improvement in plant for washing minerals by means of liquid streams
CA270260A
(en )
1927-05-03
Plant for washing coal and other minerals
AU1797524A
(en )
1924-10-24
Improvements in or relating to the concentration of ores
GB295834A
(en )
1928-08-23
Improvements in or relating to sealing devices
AU2090124A
(en )
1925-12-15
Improvements in or relating to electro-magnetic separation or concentration of minerals
AU49326A
(en )
1926-06-29
Improvements in or relating to liquid concentrating apparatus
AU2579825A
(en )
1925-11-07
Improvements in or relating to the treating of coal
AU1642624A
(en )
1924-02-18
Improvements in or relating tothe concentration of coal
FR627927A
(en )
1927-10-15
Process to generate or increase the vitamin action of nutrients
GB334404A
(en )
1930-09-04
Improvements in or relating to valve control apparatus
AU1971624A
(en )
1925-05-15
Improvements in or relating to the gravity concentration of ores
AU1735624A
(en )
1924-05-08
Improvements in or relating to apparatus forthe concentration of ores andthe like
AU124126A
(en )
1926-05-28
Improvements in or relating to automatic sprinklers andthe like
GB277757A
(en )
1927-09-26
Improvements in or relating to portfolios
AU608727A
(en )
1927-03-02
t Improvements in or relating to electro-optical relays andthe like
AU2446225A
(en )
1925-12-21
Improvements in or relating to thermionie valves
AU485026A
(en )
1927-04-23
Improvements in or relating to pipes
AU544727A
(en )
1927-01-10
Improvements in or relating to electro-optical relays andthe like
AU509126A
(en )
1927-11-08
Improvements in or relating to carburetters
AU590327A
(en )
1928-02-21
Improvements in or relating to froth-flotation concentration of ores andthe like
AU1405723A
(en )
1924-06-17
Improvements in or relating to furnace-linings crucibles andthe like
AU267126A
(en )
1927-02-01
Improvements in and relating to water meters