ZA706973B
(en )
1971-07-28
Improvements in or relating to type-printing mechanisms
HK29076A
(en )
1976-05-28
Improvements in or relating to insulated-gate field effecttransistors
HK42277A
(en )
1977-08-19
Improvements in or relating to semiconductors
MY7500223A
(en )
1975-12-31
Improvement in or relating to keyboards
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
HK8379A
(en )
1979-02-23
Improvements in or relating to thienobenzazepines
ZA716503B
(en )
1972-07-26
Improvements in or relating to selecting circuits
ZA711598B
(en )
1971-12-29
Improvements in or relating to load supports
ZA717878B
(en )
1972-08-30
Improvements in or relating to heat-exchangers
ZA708226B
(en )
1972-07-26
Improvements in or relating to fasteners
ZA714622B
(en )
1973-02-28
Improvements in or relating to adjustable beds
ZA716020B
(en )
1972-05-31
Improvements in or relating to tiling
ZA703802B
(en )
1971-07-28
Improvements in or relating to tables
ZA718505B
(en )
1972-09-27
Improvements in or relating to nuts
ZA71484B
(en )
1971-10-27
Improvements in or relating to jolting tables
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA718155B
(en )
1972-08-30
Improvements in or relating to furniture
ZA715957B
(en )
1972-09-27
Further improvements in or relating to pallets
ZA715618B
(en )
1972-04-26
Improvements in or relating to boxes
ZA713685B
(en )
1972-01-26
Improvements in or relating to sulphonylsemicarbazides
ZA714284B
(en )
1972-08-30
Improvements in or relating to fuse-holders
ZA705172B
(en )
1971-12-29
Improvements in or relating to braais
ZA704658B
(en )
1971-09-29
Improvements in or relating to sun-visors