AU463909B2
(en )
1975-08-07
Improvements in or relating to mine roof supports
AU1304770A
(en )
1970-03-25
Improvements in or relating to mine roof supports
AU416650B2
(en )
1971-08-27
Improvements in or relating to self-advancing mine roof supports
AU1518266A
(en )
1971-08-27
Improvements in or relating to self-advancing mine roof supports
AU424126B2
(en )
1967-09-07
Improvements in or relating to mine roof supports
AU223166A
(en )
1967-09-07
Improvements in or relating to mine roof supports
AU411202B2
(en )
1967-06-22
Improvements in or relating to mine roof supports
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
AU442350B2
(en )
1969-10-23
Improvements in or relating to mine roof supports
AU289060B2
(en )
1966-07-14
Improvements in or relating to mine roof supports
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
AU6841365A
(en )
1967-07-06
Improvements in or relating to mine roof supports
AU449631B2
(en )
1971-04-29
Improvements in or relating to mine roof supports
AU3666268A
(en )
1969-10-23
Improvements in or relating to mine roof supports
AU4088564A
(en )
1965-08-19
Improvements in or relating to mine relating to mine roof supports
AU5394165A
(en )
1966-07-14
Improvements in or relating to mine roof supports
AU417348B2
(en )
1971-09-17
Improvements in and relating to mine roof supports
AU4673668A
(en )
1970-06-04
Improvements in or relating to mine roof supports
AU6289569A
(en )
1971-04-29
Improvements in or relating to mine roof supports
CA747777A
(en )
1966-12-06
Mine roof supports
GB1048712A
(en )
1966-11-16
Improvements in or relating to hydraulic mine roof supports
AU286644B2
(en )
1965-09-16
Improvements in or relating to mine roof and like supports
AU292591B2
(en )
1966-09-15
Improvements in or relating to mine roof and like supports