AU160134B2
(en )
1953-07-09
Improvements in or relating to rock drilling machine
AU1804353A
(en )
1953-07-09
Improvements in or relating to rock drilling machine
AU161879B2
(en )
1954-10-28
Improvements in or relating to excavating or diggging machines
AU166084B2
(en )
1953-09-17
Improvements in or relating to mining machinehead
AU166108B2
(en )
1953-09-17
Improvements in or relating to mining machinehead
AU2259253A
(en )
1954-10-28
Improvements in or relating to excavating or diggging machines
AU165016B2
(en )
1953-09-17
Improvements in or relating to mining machine breaker
AU205912B2
(en )
1955-09-22
Improvements relating to rock drilling machinery
AU165535B2
(en )
1953-07-30
Improvements in or relating to nailing machines
AU1981453A
(en )
1953-09-17
Improvements in or relating to mining machinehead
AU1976753A
(en )
1953-09-17
Improvements in or relating to mining machinehead
AU1976853A
(en )
1953-09-17
Improvements in or relating to mining machine breaker
AU163864B2
(en )
1953-03-12
Improvements in or relating to screw-slotting machines
AU162406B2
(en )
1952-08-07
Improvements in drilling machines
AU156264B2
(en )
1953-07-09
Improvements in or relating to drilling bits
AU200688B2
(en )
Improvements relating to rock drills
AU764055A
(en )
1955-09-22
Improvements relating to rock drilling machinery
AU200392B2
(en )
1955-03-03
Improvements in or relating to hydraulic feed foran hydraulic cable-tool drill
AU155880B2
(en )
1952-09-04
Improvements in or relating to rock boring tools
AU200107B2
(en )
1953-03-17
Improvements in or relating to paving machine
AU202693B2
(en )
1955-06-30
Improvements in rotary drilling machines
AU1860053A
(en )
1953-07-30
Improvements in or relating to nailing machines
AU165730B2
(en )
1954-03-18
Improvements in or relating to cable-tool drill
AU164653B2
(en )
1953-11-12
Improvements in or relating to drill press assembly
AU1525453A
(en )
1953-03-12
Improvements in or relating to screw-slotting machines