AU142146B2
(en )
1948-04-29
Improvements in or relating toan excavator bucket
AU1876948A
(en )
1948-04-29
Improvements in or relating toan excavator bucket
AU141536B2
(en )
1948-04-29
Improvements in or relating toan earthmoving scraper
AU141420B2
(en )
1948-04-29
Improvements in or relating toan earthmoving scraper
AU141421B2
(en )
1948-04-29
Improvements in or relating toan earthmoving scraper
AU1962248A
(en )
1948-04-29
Improvements in or relating toan earthmoving scraper
AU1962348A
(en )
1948-04-29
Improvements in or relating toan earthmoving scraper
AU1962448A
(en )
1948-04-29
Improvements in or relating toan earthmoving scraper
AU141836B2
(en )
1948-10-07
Improvements in or relating toan excavating machine
AU2230948A
(en )
1948-10-07
Improvements in or relating toan excavating machine
CA451399A
(en )
1948-09-28
Digging or excavating apparatus
AU138892B2
(en )
1947-12-04
Improvements in or relating to bucket elevators and dredges
CA446563A
(en )
1948-02-03
Dump scow
AU1612347A
(en )
1947-12-04
Improvements in or relating to bucket elevators and dredges
CA450628A
(en )
1948-08-17
Stump dozer and splitter
AU138608B2
(en )
1948-11-11
Improvements in earthmoving machinery
AU138962B2
(en )
1948-03-04
Improvements in or relating to winches for power excavators
AU142199B2
(en )
1948-02-26
An improved bulldozing machine
AU138338B2
(en )
1948-09-30
Digging and lifting implement
CA450369A
(en )
1948-08-10
Cribbing
CA442678A
(en )
1947-07-08
Drag-line bucket
AU143464B2
(en )
1950-05-11
Improvements in earthmoving equipment
CA452941A
(en )
1948-11-30
Trenching machine
AU147942B2
(en )
1950-12-14
Improvements in or relating toa bulldozer
CA447679A
(en )
1948-04-06
Pseudo rope-thrust shovel