ZA783493B
(en )
1979-06-27
Improvement in or relating to heterocyclic compounds
ZA777686B
(en )
1978-10-25
Improvements in or relating to containers
HK37782A
(en )
1982-09-03
Improvements in or relating to wall segments
ZA785474B
(en )
1979-10-31
Improvements in or relating to containers
ZA782048B
(en )
1979-03-28
Improvements in or relating to vehicles
ZA783697B
(en )
1979-06-27
Improvements in or relating to elevator arrangements
ZA783660B
(en )
1979-06-27
Improvements in or relating to benoxaprofen
ZA782942B
(en )
1979-05-30
Improvements in or relating to class manufacture
HK13381A
(en )
1981-04-16
Improvements in or relating to tools
ZA786693B
(en )
1979-11-28
Improvements in or relating to foam
DE2861017D1
(en )
1981-11-26
Improvements in or relating to decollators
ZA782394B
(en )
1979-04-25
Improvements in or relating to antibiotics
DE2860615D1
(en )
1981-05-07
Improvements in or relating to ladders
ZA773297B
(en )
1978-04-26
Improvements in or relating to doors
ZA783389B
(en )
1979-06-27
Improvements in or relating to conveyors
HK31280A
(en )
1980-06-13
Improvements in or relating to toys
ZA775919B
(en )
1978-10-25
Improvements in or relating to building
GB2344903B
(en )
2001-01-17
Improvements in or relating to correlation
ZA772856B
(en )
1978-09-27
Improvements in and relating to window catches-case b
ZA771743B
(en )
1978-02-22
Improvements in or relating to matches
ZA774050B
(en )
1978-09-27
Improvements in or relating to refrigerators
ZA762705B
(en )
1977-04-27
Improvements in or relating to doors
HK8582A
(en )
1982-03-05
Improvements in or relating to index-selector devices
EG12730A
(en )
1980-07-31
Improvements in or relating to furnaces
ZA773306B
(en )
1978-09-27
Improvements in or relating to drills