DE2961376D1
(en )
1982-01-28
Improvements in or relating to identification matter
EG14868A
(en )
1985-03-31
Improvement in or relating to razors
GB2000040B
(en )
1982-04-21
Improvements in or relating to filters
HK80885A
(en )
1985-10-25
Improvements in or relating to buildings comprising accommodation units
GB2102083B
(en )
1983-06-08
Improvements in or relating to bearings
ZA787058B
(en )
1979-11-28
Improvements in or relating to plansifters
ZA77650B
(en )
1977-12-28
Improvements in or relating to filters
PH15678A
(en )
1983-03-11
Improvements in or relating to pyrazinobenzodiazepines
ZA772387B
(en )
1978-03-29
Improvements in or relating to filter presses
DE2965527D1
(en )
1983-07-07
Improvements in or relating to gaskets
GB2089780B
(en )
1984-06-20
Improvements in or relating to water filters
PT72477A
(en )
1981-03-01
Improvements in or relating to amino-fibres
PT70852A
(en )
1980-03-01
Improvements in or relating to wheels
ZA786869B
(en )
1980-03-26
Improvements in or relating to scaffolding
DE2964000D1
(en )
1982-12-16
Improvements in or relating to gear assemblies
PT72313A
(en )
1981-02-01
Improvements in or relating to digital filters
ZA783982B
(en )
1979-09-26
Improvements in or relating to filtering units
GB2089107B
(en )
1984-05-02
Improvements in or relating to laseres
ZA773819B
(en )
1978-05-30
Improvements in or relating to granular-bed filters
GB2097136B
(en )
1983-02-23
Improvements in or relating to cameras
ZA785009B
(en )
1979-12-27
Improvements in and relating to filtration units
GB2297449B
(en )
1997-01-08
Improvements in or relating to ranging systems
ZA784347B
(en )
1979-09-26
Improvements in or relating to signwriting
ZA783482B
(en )
1979-10-31
Improvements in or relating to vacuum belt filters
ZA784139B
(en )
1980-02-27
Improvements in or relating to horizontal vacuum filters