AU111639B2
(en )
1940-10-10
Improvements in rock crushers
AU497939A
(en )
1940-10-10
Improvements in rock crushers
CA380501A
(en )
1939-04-04
Rock pulverizer
CA382080A
(en )
1939-06-13
Crusher
AU106947B2
(en )
1939-03-30
Improvements in or relating to rock crushers
CA380099A
(en )
1939-03-14
Impact crusher
AU110850B2
(en )
Improvements in explosives
AU111246B2
(en )
1940-08-22
Improvements in or relating to gyratory crushers
CA379567A
(en )
1939-02-14
Roller crusher
AU389538A
(en )
1939-03-30
Improvements in or relating to rock crushers
AU110561B2
(en )
1940-05-23
Improvements in sparking-plugs
AU111393B2
(en )
1940-09-12
Improvements in firebars
AU111982B2
(en )
1940-12-05
Improvements in and relating to mining machines
AU109059B2
(en )
1939-11-23
Improvements in or relating to rock drills
AU111476B2
(en )
1940-09-19
Improvements in sandals
AU370139A
(en )
1940-08-22
Improvements in or relating to gyratory crushers
AU110116B2
(en )
1940-04-04
Improvements in or relating to hammers
AU110005B2
(en )
1940-03-21
Improvements in flotation
AU110243B2
(en )
1940-04-11
Improvements in footwear
AU111892B2
(en )
1939-07-27
Improvements in and relating to rock and like drills
AU112173B2
(en )
1941-01-09
Improvements in and relating to rock and like drills
AU117261B2
(en )
1943-07-29
Improvements in or relating to high explosives
AU262839A
(en )
1940-05-23
Improvements in sparking-plugs
AU437439A
(en )
1940-09-12
Improvements in firebars
AU511139A
(en )
1940-12-05
Improvements in and relating to mining machines