HK42277A
(en )
1977-08-19
Improvements in or relating to semiconductors
HK47276A
(en )
1976-07-30
Improvements in or relating to aerators
MY7500223A
(en )
1975-12-31
Improvement in or relating to keyboards
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
ZA716950B
(en )
1972-06-28
Improvements in or relating to manhole assemblies
ZA711543B
(en )
1972-08-30
Improvements in or relating to insulating materials
ZA713838B
(en )
1972-02-23
Improvements in or relating to seals
ZA71692B
(en )
1971-12-29
Improvements in or relating to coldflow rivets
ZA711598B
(en )
1971-12-29
Improvements in or relating to load supports
ZA712296B
(en )
1972-11-29
Improvements in or relating to insulators
ZA712556B
(en )
1972-01-26
Improvements in or relating to pipes
ZA708226B
(en )
1972-07-26
Improvements in or relating to fasteners
ZA718505B
(en )
1972-09-27
Improvements in or relating to nuts
ZA703158B
(en )
1971-07-28
Improvements in or relating to latching bolts
ZA717426B
(en )
1972-08-30
Improvements in or relating to garbage reseptacles
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
AU462402B2
(en )
1975-06-06
Improvements in or relating to tool-retaining means
ZA715618B
(en )
1972-04-26
Improvements in or relating to boxes
ZA71396B
(en )
1971-10-27
Improvements in or relating to fasteners
ZA705648B
(en )
1972-03-29
Improvements in or relating to antibiotics
ZA711946B
(en )
1972-10-25
Improvements in or relating to antibiotics
ZA713685B
(en )
1972-01-26
Improvements in or relating to sulphonylsemicarbazides
ZA704658B
(en )
1971-09-29
Improvements in or relating to sun-visors
ZA705172B
(en )
1971-12-29
Improvements in or relating to braais