AU159385B2
(en )
1953-04-16
Improvements in machines for mining coal andother minerals
AU1605353A
(en )
1953-04-16
Improvements in machines for mining coal andother minerals
AU226879B2
(en )
1958-10-02
Improvements relating to cutter-chain machines for mining coal andother minerals
CA494570A
(en )
1953-07-21
Mining machine
AU3662358A
(en )
1958-10-02
Improvements relating to cutter-chain machines for mining coal andother minerals
AU243144B2
(en )
1963-02-14
Improvements relating to machines for mining coal andother minerals
AU148726B2
(en )
1951-04-05
Improvements in mining machines
AU205956B2
(en )
1956-02-16
Improvements in mining machines
AU209675B2
(en )
1956-06-21
Improvements in mining machines
AU445861A
(en )
1963-02-14
Improvements relating to machines for mining coal andother minerals
AU41151A
(en )
1951-04-05
Improvements in mining machines
CA515548A
(en )
1955-08-09
Haulage apparatus for mining machines
AU1140555A
(en )
1956-02-16
Improvements in mining machines
AU1446955A
(en )
1956-06-21
Improvements in mining machines
AU165016B2
(en )
1953-09-17
Improvements in or relating to mining machine breaker
AU217334B2
(en )
1957-10-03
Coal mining machine
AU141593B2
(en )
1949-08-04
Improvements in haulage apparatus for mining machines
AU146385B2
(en )
1950-05-18
Improvements in mining machines
AU144450B2
(en )
1950-05-25
Improvements in mining machines
AU145370B2
(en )
1950-05-25
Improvements in mining machines
AU145371B2
(en )
1950-05-25
Improvements in mining machines
AU149638B2
(en )
1950-05-18
Improvements in mining machines
CA497711A
(en )
1953-11-17
Grinders for rock drills
AU160134B2
(en )
1953-07-09
Improvements in or relating to rock drilling machine
AU1976853A
(en )
1953-09-17
Improvements in or relating to mining machine breaker