HK74778A
(en )
1978-12-29
Improvements in or relating to the processing of radiation-sensitive members
HK50780A
(en )
1980-09-19
Improvements in or relating to radiography
ZA75925B
(en )
1976-02-25
Improvements in or relating to heat treatment of particulate solid materials
ZA754376B
(en )
1976-07-28
Improvements in or relating to invalid hoists
HK35379A
(en )
1979-06-08
Improvements in or relating to radiography
ZM11574A1
(en )
1976-07-21
Improvements in or relating to the heat treatment of glasssheets
ZA742927B
(en )
1975-08-27
Improvements in or relating to silos
HK61978A
(en )
1978-10-27
Improvements in or relating to radiograph
ZA741704B
(en )
1975-02-26
Improvements in or relating to the treatment of minerals
ZA747725B
(en )
1976-07-28
Improvements in or relating to diamonds
ZA747674B
(en )
1976-01-28
Improvements in or relating to stanchions
ZA751884B
(en )
1976-02-25
Improvements in or relating to tennis-rackets
ZA757079B
(en )
1976-10-27
Improvements in or relating to treatment of effluents
ZA735919B
(en )
1974-11-27
Improvements in or relating to the treatment of chicory
ZA746058B
(en )
1976-04-28
Improvements in or relating to the retreading of tyress
ZA757003B
(en )
1976-10-27
Improvements in or relating to cephalosporins
ZA752989B
(en )
1976-04-28
Improvements in or relating to penicillins
HK61580A
(en )
1980-11-07
Improvements in and relating to treatment of dairy products
ZA75687B
(en )
1976-01-28
Improvements in or relating to treatment of grain
MY7900019A
(en )
1979-12-31
Improvements in or relating to the ripening of tobacco
ZA753749B
(en )
1976-05-26
Improvements in or relating to the manufacture of balls
HK70378A
(en )
1978-12-08
Improvements in or relating to radiography
ZA721049B
(en )
1973-03-28
Improvements in and relating to effluent treatment
ZA746110B
(en )
1975-12-31
Improvements in or relating to hosereels
ZA744833B
(en )
1976-03-31
Improvements in or relating to the treatment of liquids