ZA71246B
(en )
1972-04-26
Improvements in or relating to amusement devices
ZA72149B
(en )
1972-09-27
Improvements in or relating to tunnelling
ZA724576B
(en )
1973-03-28
Improvements in or relating to level crossing structures
HK45677A
(en )
1977-09-16
Improvements in or relating to magnetic devices
ZA723181B
(en )
1973-03-28
Improvements in or relating to shaving devices
ZA725181B
(en )
1973-04-25
Improvements in or relating to fixing elements
HK35476A
(en )
1976-06-18
Improvements in or relating to magnetic devices
HK34976A
(en )
1976-06-18
Improvements in or relating to semiconductive devices
ZA727858B
(en )
1973-07-25
Improvements in or relating to webs
HK14679A
(en )
1979-03-30
Improvements in or relating to anchors
SG8179G
(en )
1983-02-25
Improvements in or relating to thienobenzazepines
IE36812B1
(en )
1977-03-02
Improvements in or relating to construction apparatus
HK35176A
(en )
1976-06-18
Improvements in or relating to charge coupled devices
ZA723586B
(en )
1973-03-28
Improvement in or relating to electropyrotechnic detonating devices
ZA712740B
(en )
1972-07-26
Improvements in or relating to scaffolding
ZA723068B
(en )
1973-02-28
Improvements in or relating to wellpoints
ZA714858B
(en )
1972-04-26
Improvements in or relating to fastening devices
MTP731B
(en )
1973-08-10
Improvements in or relating to wired broadeesting systems
HK45777A
(en )
1977-09-16
Improvements in or relating to magnetic devices
IE38143B1
(en )
1978-01-04
Improvements in or relating to fixing elements
ZA716255B
(en )
1972-10-25
Improvements in or relating to anchoring devices
ZA722741B
(en )
1973-01-31
Improvements in or relating to building construction
HK10277A
(en )
1977-03-04
Improvements in and relating to pyrotechnic devices
ZA723223B
(en )
1973-02-28
Improvements in or relating to antibiotics
IE36041B1
(en )
1976-08-04
Improvements in or relating to antibiotics