HK42081A
(en )
1981-08-28
Improvements in and relating to drains
MY7600232A
(en )
1976-12-31
Improvements in or relating to yeast
ZA711342B
(en )
1971-11-24
Improvements in or relating to the manufacture of shaped components
HK47276A
(en )
1976-07-30
Improvements in or relating to aerators
MY7500223A
(en )
1975-12-31
Improvement in or relating to keyboards
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
KE2804A
(en )
1978-01-06
Improvements in or relating to the cleansing of surfaces
ZA718464B
(en )
1973-08-29
Improvements in or relating to compounds of the pregnane series
ZA706304B
(en )
1971-07-28
Improvements in or relating to the treatment of leather
IL36376A0
(en )
1971-05-26
Improvements in and relating to buildings
ZA718466B
(en )
1973-08-29
Improvements in or relating to compounds of the pregnome and adrostane series
ZA723955B
(en )
1973-12-19
Improvements in or relating to fasteners
ZA715026B
(en )
1972-05-31
Improvements in and relating to web-winding methods
ZA708131B
(en )
1971-12-29
Improvements in and relating to the cleaning of pelts
ZA708226B
(en )
1972-07-26
Improvements in or relating to fasteners
ZA727539B
(en )
1973-07-25
Improvements in or relating to shower assemblies
ZA715741B
(en )
1972-04-26
Improvements in or relating to coating of structures
ZA717662B
(en )
1972-08-30
Improvements in or relating to cleansing treatments
HK13376A
(en )
1976-03-19
Improvements in or relating to the treatment of hair
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA713651B
(en )
1972-01-26
Improvements in and relating to the tiling of roofs
ZA71396B
(en )
1971-10-27
Improvements in or relating to fasteners
PH12438A
(en )
1979-03-01
Improved process in the preparation of 6-methylene-5-oxytetracycline
IE34872B1
(en )
1975-09-03
Improvements in and relating to watchstraps