ZA7624B
(en )
1976-12-29
Improvements in or relating to split cable-sleeves
ZM278A1
(en )
1978-07-21
Improvements in or relating to apparatus for use in drilling
ZA767534B
(en )
1977-11-30
Improvements in or relating to distance measuring apparatus
HK24782A
(en )
1982-06-18
Improvements in drill units
MY7900177A
(en )
1979-12-31
Improvements in or relating to mineral jig
ZA766227B
(en )
1977-09-28
Improvements relating to timber milling apparatus
ZA766177B
(en )
1977-09-28
Improvements in or relating to unit sets
ZA761033B
(en )
1977-01-26
Improvements in or relating to spray apparatus
ZA767458B
(en )
1978-01-25
Improvements in or relating to harvesting apparatus
ZA762470B
(en )
1977-04-27
Improvements in or relating to cableclamping devices
ZA761136B
(en )
1977-02-23
Improvements in or relating to drills
HK31179A
(en )
1979-05-18
Improvements in or relating to safes
ZA763724B
(en )
1977-05-25
Improvements in or relating to percussion drills
ZA777388B
(en )
1978-10-25
Improvements in or relating to apparatus for use in drilling
ZA76672B
(en )
1977-01-26
Improvements in or relating to slurry treatment apparatus
ZA75927B
(en )
1976-04-28
Improvements in or relating to drilling apparatus
ZA767094B
(en )
1977-10-26
Improvements in or relating to highvoltage monitoring arrangements
EG13064A
(en )
1980-07-31
Improvements in or relating to condensate-removing apparatus
ZA761555B
(en )
1977-03-30
Improvements in or relating to electroprecipitation
ZA754941B
(en )
1977-02-23
Improvements in or relating to exercising apparatus
ZA757215B
(en )
1977-01-26
Improvements in or relating to rigs for use in mines
ZA755327B
(en )
1976-10-27
Improvements in or relating to lighting apparatus
ZA756147B
(en )
1977-04-27
Improvements in or relating to stoping rigs
ZA754187B
(en )
1976-11-24
Improvements in or relating to rock drills
ZA756426B
(en )
1976-09-29
Improvements in or relating to washing apparatus