ZA718429B
(en )
1972-09-27
Improvements in or relating to castors
ZA722525B
(en )
1973-01-31
Improvements in and relating to honeycombs
ZA725074B
(en )
1973-04-25
Improvements in and relating to locks
ZA72554B
(en )
1972-11-29
Improvements in and relating to ladders
ZA728256B
(en )
1973-07-25
Improvements in and relating to valve assemblies
HK8379A
(en )
1979-02-23
Improvements in or relating to thienobenzazepines
ZA72949B
(en )
1972-11-29
Improvements in or relating to parachutes
ZA724599B
(en )
1973-03-28
Improvements in brakes
ZA723068B
(en )
1973-02-28
Improvements in or relating to wellpoints
ZA723955B
(en )
1973-12-19
Improvements in or relating to fasteners
HK50378A
(en )
1978-09-15
Improvements in and relating to cameras
ZA715026B
(en )
1972-05-31
Improvements in and relating to web-winding methods
ZA724225B
(en )
1973-03-28
Improvements in and relating to adhesives
KE2538A
(en )
1975-08-11
Improvements in and relating to tea manufacture
ZA707448B
(en )
1972-11-29
Improvements in and relating to braking mechanisms
HK9977A
(en )
1977-03-04
Improvements in and relating to line-throwing rockets
ZA725075B
(en )
1973-04-25
Improvements in and relating to keys
ZA725577B
(en )
1973-05-30
Improvements in and relating to fireextinguishers
ZA729136B
(en )
1973-09-26
Improvements in and relating to micro-film re-enlargements
ZA723998B
(en )
1973-03-28
Improvements in and relating to packages
MY7500281A
(en )
1975-12-31
Improvements in and relating to packages
ZA71884B
(en )
1972-05-31
Improvements in and relating to wheelbarrows
IE34872B1
(en )
1975-09-03
Improvements in and relating to watchstraps
ZA714535B
(en )
1972-04-26
Improvements in and relating to cyclones
AU448458B2
(en )
1974-05-03
Improvements in and relating to razorblades