ZA72149B
(en )
1972-09-27
Improvements in or relating to tunnelling
ZA723181B
(en )
1973-03-28
Improvements in or relating to shaving devices
ZA725181B
(en )
1973-04-25
Improvements in or relating to fixing elements
ZA726366B
(en )
1973-06-27
Improvements in or relating to ablutionary appliances
AU4361572A
(en )
1974-01-03
Improvements in or relating to oculometers
AU462327B2
(en )
1975-06-19
Improvements in or relating to carburetters
HK37576A
(en )
1976-06-25
Improvements in or relating to filmstrips
SG8179G
(en )
1983-02-25
Improvements in or relating to thienobenzazepines
ZA72949B
(en )
1972-11-29
Improvements in or relating to parachutes
ZA723068B
(en )
1973-02-28
Improvements in or relating to wellpoints
ZA721392B
(en )
1972-11-29
Improvements in speech-synthesisers
ZA72863B
(en )
1972-10-25
Improvements in rockbolting
ZA723840B
(en )
1974-02-27
Improvements relating to phenylimidazolidinones
IE38143B1
(en )
1978-01-04
Improvements in or relating to fixing elements
ZA714858B
(en )
1972-04-26
Improvements in or relating to fastening devices
ZA723223B
(en )
1973-02-28
Improvements in or relating to antibiotics
ZA72568B
(en )
1972-10-25
Improvements in or relating to antibiotics
IE36041B1
(en )
1976-08-04
Improvements in or relating to antibiotics
ZA714721B
(en )
1972-04-26
Improvements in or relating to radios
ZA727524B
(en )
1973-07-25
Improvements in or relating to mounting assemblies
AU461135B2
(en )
1975-05-15
Improvements in or relating to viners
ZA722161B
(en )
1973-12-19
Improvements relating to 4-hydroxy-1-phenyl-2-pyrrolidino-pentane
ZA715192B
(en )
1973-03-28
Improvements in or relating to aeators
IE35886B1
(en )
1976-06-23
Improvements in or relating to viners
ZA717967B
(en )
1973-02-28
Improvements in or relating to