HK26677A
(en )
1977-06-10
Improvements in and relating to the manufacture of electrical components
HK28976A
(en )
1976-05-28
Improvements in or relating to electrical connections
IL34658A0
(en )
1970-08-19
Improvements in and relating to wired broadcasting systems
ZA706973B
(en )
1971-07-28
Improvements in or relating to type-printing mechanisms
ZA703100B
(en )
1971-10-27
Improvements in or relating to pulling devices
ZA707095B
(en )
1971-11-24
Improvements in or relating to railfastening devices
ZA706671B
(en )
1971-05-27
Improvements in and relating to prefabricated buildings
ZA702211B
(en )
1971-09-29
Improvements in or relating to stud-welding
IL34155A0
(en )
1970-05-21
Improvements in and relating to electrical switch devices
ZA703874B
(en )
1971-01-27
Improvements in and relating to pyrotechnic devices
IE34880B1
(en )
1975-09-17
Improvements in and relating to hangers
ZA703767B
(en )
1971-02-24
Improvements in and relating to dielectric heating
ZA707147B
(en )
1972-09-27
Improvements in or relating to audio-sensitive devices
IL34656A0
(en )
1970-08-19
Improvements in and relating to wired broadcasting systems
ZA711498B
(en )
1971-11-24
Improvements in and relating to buildings
ZA705787B
(en )
1971-05-27
Improvements in or relating to wall coverings
ZA706840B
(en )
1971-07-28
Improvements in or relating to buildings
MTP664B
(en )
1971-09-11
Improvements in and relating to electrical switch derices
ZA696521B
(en )
1971-04-28
Improvements in and relating to insulating wall units
ZA703304B
(en )
1971-12-29
Improvements in or relating to steroids
HK9777A
(en )
1977-03-04
Improvements in and relating to pyrotechnic devices
AU454923B2
(en )
1971-03-25
Improvements in and relating to insulating wall units
AU6105869A
(en )
1971-03-25
Improvements in and relating to insulating wall units
ZA707552B
(en )
1971-08-25
Improvements in and relating to building and like structures
AU431203B2
(en )
1972-12-19
Improvements in and relating to calcium silicate insulation