HK35379A
(en )
1979-06-08
Improvements in or relating to radiography
MY7900013A
(en )
1979-12-31
Improvements in or relating to radiology
ZA742927B
(en )
1975-08-27
Improvements in or relating to silos
ZA752089B
(en )
1976-04-28
Improvements in or relating to mixing devices
ZA756745B
(en )
1976-10-27
Improvements in and relating to zeolites
HK2979A
(en )
1979-01-19
Improvements in or relating to radiology
ZA754741B
(en )
1976-07-28
Improvements in or relating to electrical transformers
HK61978A
(en )
1978-10-27
Improvements in or relating to radiograph
ZA755559B
(en )
1977-02-23
Improvements in or relating to gauging devices
ZA756744B
(en )
1976-10-27
Improvements in and relating to zeolites
ZA751884B
(en )
1976-02-25
Improvements in or relating to tennis-rackets
ZA75813B
(en )
1976-04-28
Improvements in or relating to primary cells
ZA754713B
(en )
1976-07-28
Improvements in or relating to beverages
HK54477A
(en )
1977-11-04
Improvements in or relating to castors
ZA757254B
(en )
1976-10-27
Improvements in or relating to positioning means
ZA756530B
(en )
1976-09-29
Improvements in or relating to presses
ZA757497B
(en )
1976-11-24
Improvements in or relating to compactors
ZA744081B
(en )
1975-10-29
Improvements in or relating to parametric transformers
ZA752215B
(en )
1976-03-31
Improvements in or relating to calculating equipment
ZA754471B
(en )
1976-07-28
Improvements in or relating to maritime assemblies
HK70378A
(en )
1978-12-08
Improvements in or relating to radiography
ZA745948B
(en )
1975-12-31
Improvements in or relating to parametric transformer cores
ZA746110B
(en )
1975-12-31
Improvements in or relating to hosereels
ZA755449B
(en )
1977-04-27
Improvements in or relating to sectional members
ZA755025B
(en )
1976-07-28
Improvements in and relating to stop means