ZA743238B
(en )
1975-05-28
Improvements in or relating to wheelchairs
HK57677A
(en )
1977-11-25
Improvements in or relating to radiography
HK61177A
(en )
1977-12-16
Improvements in or relating to radiography
ZA742087B
(en )
1975-04-30
Improvements in and relating to blending
MY7600285A
(en )
1976-12-31
Improvements in or relating to grinding machines
ZA747069B
(en )
1975-12-31
Improvements in and relating to fibers
HK31879A
(en )
1979-05-18
Improvements in or relating to sharpening devices
ZA744075B
(en )
1976-02-25
Improvements in or relating to charging machines
ZA74568B
(en )
1974-11-27
Improvements in or relating to beds
ZA744220B
(en )
1975-07-30
Improvements in and relating to smokegenerating devices
ZA744565B
(en )
1976-02-25
Improvements in or relating to filters
ZA764258B
(en )
1977-07-27
Improvements in or relating to mowing machines
ZA74917B
(en )
1975-01-29
Improvements in and relating to conveyors
ZA741309B
(en )
1975-02-26
Improvements in or relating to packagung
ZA736086B
(en )
1974-09-25
Improvements in and relating to machines for use in harvesting
IE38170B1
(en )
1978-01-04
Improvements in and relating to cheese mills
ZA738006B
(en )
1974-09-25
Improvements in or relating to woolgrease
IE38518B1
(en )
1978-03-29
Improvements in and relating to root crop harvesting machines
ZA746959B
(en )
1975-11-26
Improvements in and relating to structural elements
ZA74609B
(en )
1975-11-26
Improvements in or relating to beds
ZA742980B
(en )
1975-05-28
Improvements in and relating to plasters
AU487714B2
(en )
1976-01-08
Improvements in or relating to harvesting machines
AU7446574A
(en )
1976-04-29
Improvements in and relating to beehives
ZA745154B
(en )
1976-03-31
Improvements in or relating to charging machines
ZA732157B
(en )
1974-10-30
Improvements in and relating to irrigation