CY863A
(en )
1976-12-17
Improvements in or relating to yeasts
HK42277A
(en )
1977-08-19
Improvements in or relating to semiconductors
HK47276A
(en )
1976-07-30
Improvements in or relating to aerators
MY7500223A
(en )
1975-12-31
Improvement in or relating to keyboards
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
ZA711445B
(en )
1972-08-30
Improvements in or relating to shoemaking
ZA71290B
(en )
1971-10-27
Improvements in or relating to screening
ZA71692B
(en )
1971-12-29
Improvements in or relating to coldflow rivets
ZA717264B
(en )
1973-07-25
Improvements in or relating to wig making
ZA717878B
(en )
1972-08-30
Improvements in or relating to heat-exchangers
ZA708226B
(en )
1972-07-26
Improvements in or relating to fasteners
ZA71952B
(en )
1971-10-27
Improvements in or relating to calculating machines
MY7400171A
(en )
1974-12-31
Improvements in or relating to dressmaking forms
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA71761B
(en )
1971-10-27
Improvements in or relating to buildings
ZA71396B
(en )
1971-10-27
Improvements in or relating to fasteners
ZA715994B
(en )
1972-05-31
Improvements in or relating to tool retaining means
ZA705172B
(en )
1971-12-29
Improvements in or relating to braais
ZA713685B
(en )
1972-01-26
Improvements in or relating to sulphonylsemicarbazides
ZA704658B
(en )
1971-09-29
Improvements in or relating to sun-visors
ZA714284B
(en )
1972-08-30
Improvements in or relating to fuse-holders
ZA716370B
(en )
1972-07-26
Improvements in or relating to trousers
ZA703061B
(en )
1971-06-30
Improvements in or relating to mattresses
ZA707621B
(en )
1971-09-29
Improvements in or relating to mattresses