IL37497A0
(en )
1971-11-29
Improvements in or relating to pillars
CY863A
(en )
1976-12-17
Improvements in or relating to yeasts
HK42277A
(en )
1977-08-19
Improvements in or relating to semiconductors
ZA717523B
(en )
1972-08-30
Improvements in or relating to gettering elements
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
ZA712897B
(en )
1972-01-26
Improvements in or relating to evaporators
ZA711445B
(en )
1972-08-30
Improvements in or relating to shoemaking
ZA711806B
(en )
1971-12-29
Improvements in or relating to electrodes
ZA713838B
(en )
1972-02-23
Improvements in or relating to seals
ZA71290B
(en )
1971-10-27
Improvements in or relating to screening
ZA71477B
(en )
1971-10-27
Improvements in or relating to stoppers
ZA717878B
(en )
1972-08-30
Improvements in or relating to heat-exchangers
ZA706336B
(en )
1971-10-27
Improvements in or relating to filtering units
ZA70916B
(en )
1971-08-25
Improvements in or relating to frames
ZA71761B
(en )
1971-10-27
Improvements in or relating to buildings
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA713685B
(en )
1972-01-26
Improvements in or relating to sulphonylsemicarbazides
ZA714284B
(en )
1972-08-30
Improvements in or relating to fuse-holders
ZA704658B
(en )
1971-09-29
Improvements in or relating to sun-visors
ZA705172B
(en )
1971-12-29
Improvements in or relating to braais
ZA715618B
(en )
1972-04-26
Improvements in or relating to boxes
ZA705533B
(en )
1971-04-28
Improvements in or relating to structural members
ZA694698B
(en )
1971-03-31
Improvements in or relating to window stays
ZA701112B
(en )
1971-04-28
Improvements in or relating to tents