ZA705340B
(en )
1971-04-28
Improvements in or relating to frictional couplings
IL37497A0
(en )
1971-11-29
Improvements in or relating to pillars
ZA705509B
(en )
1971-04-28
Improvements in or relating to hoses
ZA705411B
(en )
1971-05-27
Improvement relating to beta-aryl-2-aminoalkoxy-styrenes
ZA707811B
(en )
1971-10-27
Improvements in or relating to bandaging means
CY695A
(en )
1973-08-10
Improvements in or relating to substituted acrylonitriles
ZA708559B
(en )
1971-10-27
Improvements in or relating to hoses
ZA707610B
(en )
1971-08-25
Improvements in or relating to control arrangements
ZA706973B
(en )
1971-07-28
Improvements in or relating to type-printing mechanisms
ZA707095B
(en )
1971-11-24
Improvements in or relating to railfastening devices
ZA708487B
(en )
1971-10-27
Improvements in or relating to arcuate tunnel lining segments
ZA702211B
(en )
1971-09-29
Improvements in or relating to stud-welding
ZA702513B
(en )
1971-09-29
Improvements in or relating to shoe manufacture
ZA707147B
(en )
1972-09-27
Improvements in or relating to audio-sensitive devices
IE34801B1
(en )
1975-08-20
Improvements in or relating to structural assemblies
ZM7770A1
(en )
1971-03-22
Improvements in or relating to furnaces
ZA706840B
(en )
1971-07-28
Improvements in or relating to buildings
ZA708723B
(en )
1971-10-27
Improvements in or relating to mining
ZA712556B
(en )
1972-01-26
Improvements in or relating to pipes
ZA703304B
(en )
1971-12-29
Improvements in or relating to steroids
ZA694204B
(en )
1971-01-27
Improvements in or relating to tunnel linings
ZA704832B
(en )
1971-04-28
Improvements in or relating to piping
ZA708110B
(en )
1971-09-29
Improvements in or relating to charts
ZA705686B
(en )
1971-04-28
Improvements in or relating to splints
AU473660B2
(en )
1972-06-22
Improvements in or relating to arcuate tunnel lining segments