EG14868A
(en )
1985-03-31
Improvement in or relating to razors
ZA775701B
(en )
1978-08-30
Improvements in or relating to coatings
GB2102083B
(en )
1983-06-08
Improvements in or relating to bearings
PT69332A
(en )
1979-04-01
Improvements in or relating to spraying
ZA787058B
(en )
1979-11-28
Improvements in or relating to plansifters
DE2962987D1
(en )
1982-07-22
Improvements in or relating to joints
PH15678A
(en )
1983-03-11
Improvements in or relating to pyrazinobenzodiazepines
DE2965527D1
(en )
1983-07-07
Improvements in or relating to gaskets
DE3061553D1
(en )
1983-02-17
Improvements in or relating to breech mechanisms
DE3063147D1
(en )
1983-06-16
Improvements in or relating to lamps
PT72477B
(en )
1982-02-04
Improvements in or relating to amino-fibres
ZA786869B
(en )
1980-03-26
Improvements in or relating to scaffolding
GB2201759B
(en )
1989-01-11
Improvements in or relating to fuzing arrangements
ZA79541B
(en )
1980-03-26
Improvements in or relating to drums
GB2121639B
(en )
1984-05-23
Improvements in or relating to homing systems
ZA785508B
(en )
1980-02-27
Improvements in or relating to handguns
GB2089107B
(en )
1984-05-02
Improvements in or relating to laseres
GB2297449B
(en )
1997-01-08
Improvements in or relating to ranging systems
MY8200105A
(en )
1982-12-31
Improvements in or relating to dredges
GB2097136B
(en )
1983-02-23
Improvements in or relating to cameras
ZA784347B
(en )
1979-09-26
Improvements in or relating to signwriting
ZA785656B
(en )
1980-01-30
Improvements in or relating to lampshades
EG13838A
(en )
1983-03-31
Improvement in or relating to a firing range
ZA78716B
(en )
1979-09-26
Improvements in or relating to pumps
ZA802073B
(en )
1981-05-27
Improvements in or relating to electro-precipitation