AU276011B2
(en )
1964-07-30
Improvements relating to roof supports primarily for use in mine workings
AU275813B2
(en )
1964-07-30
Improvements relating to roof supports primarily for use in mine workings
AU2672963A
(en )
1964-07-30
Improvements relating to roof supports primarily for use in mine workings
AU2673063A
(en )
1964-07-30
Improvements relating to roof supports primarily for use in mine workings
AU276061B2
(en )
Improvements relating to roof supports primarily for use in mine workings
AU276021B2
(en )
1964-09-24
Improvements relating to roof supports primarily for use in mine workings
AU275841B2
(en )
1964-09-24
Improvements relating to roof supports primarily for use in mine workings
AU275272B2
(en )
1964-08-06
Improvements relating to roof supports for mine workings
AU4873864A
(en )
1964-09-24
Improvements relating to roof supports primarily for use in mine workings
AU4874164A
(en )
1964-09-24
Improvements relating to roof supports primarily for use in mine workings
CA669699A
(en )
1963-09-03
Roof supports for mine workings
AU2708663A
(en )
1964-08-06
Improvements relating to roof supports for mine workings
GB1048712A
(en )
1966-11-16
Improvements in or relating to hydraulic mine roof supports
AU275821B2
(en )
1965-07-22
Improvements relating to roof supports for mine workings
AU2078467A
(en )
1968-10-31
Improvements relating to roof supports for mine workings
AU407135B2
(en )
1967-05-25
Improvements in or relating to mine roof supports
AU406965B2
(en )
1967-07-06
Improvements in or relating to mine roof supports
AU411202B2
(en )
1967-06-22
Improvements in or relating to mine roof supports
AU458766A
(en )
1967-10-26
Improvements relating to roof supports for mine workings
AU6054165A
(en )
1965-07-22
Improvements relating to roof supports for mine workings
AU6736865A
(en )
1967-06-01
Improvements relating to roof supports for mine workings
AU289060B2
(en )
1966-07-14
Improvements in or relating to mine roof supports
AU289524B2
(en )
1966-07-21
Improvements in or relating to mine roof supports andthe operation thereof
AU6694565A
(en )
1967-05-25
Improvements in or relating to mine roof supports
AU6816865A
(en )
1967-06-22
Improvements in or relating to mine roof supports