ZA711772B
(en )
1971-12-29
Improvements in or relating to suction cleaning apparatus
ZA715971B
(en )
1973-04-25
Improvements in or relating to methods of manufacturing flanged bearings
IL37497A0
(en )
1971-11-29
Improvements in or relating to pillars
ZA715457B
(en )
1972-04-26
An improvement in or relating to sonar apparatus
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
ZA711445B
(en )
1972-08-30
Improvements in or relating to shoemaking
ZA712897B
(en )
1972-01-26
Improvements in or relating to evaporators
ZA705662B
(en )
1971-04-28
Improvements relating to the cleaning of rails
ZA697116B
(en )
1971-03-31
Improvements in or relating to apparatus suitable for use in the manufacture of shoes
ZA703679B
(en )
1971-11-24
Improvements in or relating to apparatus suitable for use in the manufacture of shoes
ZA715652B
(en )
1972-05-31
Improvements in or relating to coin collecting apparatus
IE34986B1
(en )
1975-10-15
Improvements in or relating to apparatus for cleaning eggcollection racks of battery cages
ZA706336B
(en )
1971-10-27
Improvements in or relating to filtering units
HK81476A
(en )
1977-01-07
Improvements in or relating to flash apparatus
ZA712719B
(en )
1972-01-26
Improvements in or relating to tape handling apparatus
ZA715290B
(en )
1972-04-26
Improvements relating to smoking articles
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
MTP639B
(en )
1970-07-22
Improvements relating to the treatment of mastits in cows
IE33290B1
(en )
1974-05-15
Improvements relating to cleaning of battery cages for poultry
ZA716471B
(en )
1972-06-28
Improvements in or relating to illumination apparatus
ZA702858B
(en )
1971-12-29
Improvements in or relating to supports for baby baths
ZA717662B
(en )
1972-08-30
Improvements in or relating to cleansing treatments
ZA716271B
(en )
1972-05-31
Improvements in relating to tobacco-smoke filters
ZA708040B
(en )
1971-10-27
Improvements in or relating to fire-escape means or apparatus
IE35659B1
(en )
1976-04-14
Improvements in or relating to fishing apparatus