ZA743974B
(en )
1975-06-25
Improvements in and relating to buildings
ZA742087B
(en )
1975-04-30
Improvements in and relating to blending
HK37577A
(en )
1977-07-29
Improvements in and relating to cameras
ZA743059B
(en )
1975-05-28
Improvements in and relating to buildings
ZA713962B
(en )
1972-05-31
Improvements in or relating to air filters
AU495414B2
(en )
1977-01-27
Improvements in and relating to refrigeration type water desalinisation units
ZA742688B
(en )
1975-12-31
Improvements in or relating to fans
ZA772356B
(en )
1978-03-29
Improvements in or relating to air conditioners
ZA744220B
(en )
1975-07-30
Improvements in and relating to smokegenerating devices
HK37677A
(en )
1977-07-29
Improvements in and relating to cameras
EG12682A
(en )
1979-09-30
Improvements in and relating to air conditioning
MW2374A1
(en )
1976-03-10
Improvements in and relating to building
ZA742891B
(en )
1975-12-31
Improvements in and relating to shaving units
ZA745055B
(en )
1975-08-27
Air conditioning unit and control
ZA757890B
(en )
1976-11-24
Improvements in or relating to antibiotics
ZA747630B
(en )
1975-12-31
Improvements in and relating to wired broadcasting systems
ZA743178B
(en )
1975-05-28
Improvements in and relating to air conditioner
ZA755249B
(en )
1977-03-30
Improvements in or relating to antibiotics
ZA732145B
(en )
1974-05-29
Improvements in or relating to air conditioning
HK21678A
(en )
1978-04-28
Improvements in and relating to cameras
ZA747555B
(en )
1975-12-31
Improvements in or relating to air line lubricators
AU492749B1
(en )
1976-02-12
Improvements in or relating to ventilators
AU453831B2
(en )
1974-09-26
Improvements in and relating to ventilators
ZA745289B
(en )
1975-08-27
Improvements in or relating to air conditioning terminal units
HK25578A
(en )
1978-05-26
Improvements in and relating to cameras