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
AU4361572A
(en )
1974-01-03
Improvements in or relating to oculometers
AU462327B2
(en )
1975-06-19
Improvements in or relating to carburetters
HK8379A
(en )
1979-02-23
Improvements in or relating to thienobenzazepines
IE36812B1
(en )
1977-03-02
Improvements in or relating to construction apparatus
ZA72949B
(en )
1972-11-29
Improvements in or relating to parachutes
ZA72753B
(en )
1972-10-25
Improvements in or relating to panels
ZA723068B
(en )
1973-02-28
Improvements in or relating to wellpoints
ZA723955B
(en )
1973-12-19
Improvements in or relating to fasteners
ZA728410B
(en )
1973-07-25
Improvements in or relating to gelatin
IE38143B1
(en )
1978-01-04
Improvements in or relating to fixing elements
HK9977A
(en )
1977-03-04
Improvements in and relating to line-throwing rockets
ZA716256B
(en )
1972-05-31
Improvements in or relating to propergols or propellants
ZA728651B
(en )
1973-08-29
Improvements in or relating to pumps
AU461135B2
(en )
1975-05-15
Improvements in or relating to viners
ZA717967B
(en )
1973-02-28
Improvements in or relating to
IE35886B1
(en )
1976-06-23
Improvements in or relating to viners
ZA715192B
(en )
1973-03-28
Improvements in or relating to aeators
ZA72948B
(en )
1973-03-28
Improvements in or relating to pumps
ZA728389B
(en )
1973-06-27
Improvements in or relating to structures
ZA717169B
(en )
1973-06-27
Improvements in or relating to structures
IE36375B1
(en )
1976-10-27
Improvements in or relating to methylenedioxyquinazoline derivatives
HK21876A
(en )
1976-04-15
Improvements in or relating to tuning-fork type electronicclocks