MY7600285A
(en )
1976-12-31
Improvements in or relating to grinding machines
EG11546A
(en )
1978-03-29
Improvements in or relating to swashplate machines
ZA743299B
(en )
1975-08-27
Improvements in or relating to hammer machines
AU473410B2
(en )
1976-06-24
Improvements in or relating to slicing machines
AU458563B2
(en )
1975-02-27
Improvements in or relating to mining machines
ZA73177B
(en )
1974-05-29
Improvements in or relating to rock cutting machines
ZA73694B
(en )
1974-08-28
Improvements in or relating to rock cutting machines
ZA734843B
(en )
1974-07-31
Improvements in or relating to rock cutting machines
ZA731452B
(en )
1975-01-29
Improvements in or relating to rock-drilling machines
ZA743063B
(en )
1975-12-31
Improvements in or relating to disc cutters for rock boring machines
ZA727054B
(en )
1974-02-27
Improvements in or relating to cutters
ZA744813B
(en )
1976-03-31
Improvements in or relating to drilling machines
ZA718132B
(en )
1973-03-28
Improvements in or relating to blades for rock cutting machines
ZA73453B
(en )
1974-08-28
Improvements in or relating to tunnelling machines
ZA752836B
(en )
1976-08-25
Improvements in or relating to rock cutting machines
AU489346B2
(en )
1975-11-06
Improvements in or relating to tunnelling machines
AU489329B2
(en )
1975-10-16
Improvements in or relating to tunnelling machines
AU479466B2
(en )
1975-10-02
Improvements in or relating to tunnelling machines
ZM11374A1
(en )
1975-06-23
Improvements in or relating to disc cutters for rock boring machines
ZA7278B
(en )
1973-03-28
Improvements in or relating to rock drills
ZA742759B
(en )
1975-05-28
Improvements in or relating to glass-working machines
ZA744057B
(en )
1975-06-25
Improvements in or relating to fluid machines
IL43663A0
(en )
1974-03-14
Improvements in diamond sawing machines
AU487048B2
(en )
1977-02-03
Improvements in or relating to drilling machines
AU6786174A
(en )
1975-10-16
Improvements in or relating to tunnelling machines