ZA713239B
(en )
1972-01-26
Improvements in or relating to synthetic pitches
ZA711342B
(en )
1971-11-24
Improvements in or relating to the manufacture of shaped components
HK47276A
(en )
1976-07-30
Improvements in or relating to aerators
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
ZA727858B
(en )
1973-07-25
Improvements in or relating to webs
ZA715127B
(en )
1972-04-26
Improvements in or relating to fibrous material
ZA71290B
(en )
1971-10-27
Improvements in or relating to screening
ZA72753B
(en )
1972-10-25
Improvements in or relating to panels
ZA718464B
(en )
1973-08-29
Improvements in or relating to compounds of the pregnane series
ZA714641B
(en )
1972-05-31
Improvements in or relating to type-writers or the like
ZA71692B
(en )
1971-12-29
Improvements in or relating to coldflow rivets
ZA718466B
(en )
1973-08-29
Improvements in or relating to compounds of the pregnome and adrostane series
ZA711074B
(en )
1972-09-27
Improvements in or relating to the stacking of sheets
ZA718178B
(en )
1973-01-31
Improvements in or relating to the mounting of sheet material
ZA715821B
(en )
1972-05-31
Improvements in or relating to drawing board protractor unit
ZA708752B
(en )
1972-07-26
Improvements in or relating to the fastening of drawing paper to drawing boards
ZA714858B
(en )
1972-04-26
Improvements in or relating to fastening devices
ZA708226B
(en )
1972-07-26
Improvements in or relating to fasteners
ZA725585B
(en )
1973-05-30
Improvements in or relating to boxes
ZA71761B
(en )
1971-10-27
Improvements in or relating to buildings
ZA716020B
(en )
1972-05-31
Improvements in or relating to tiling
ZA715618B
(en )
1972-04-26
Improvements in or relating to boxes
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA71862B
(en )
1972-09-27
Improvements in or relating to the feeding of materials