ZA771173B
(en )
1978-01-25
Improvements in or relating to protective devices
ZA776964B
(en )
1979-04-25
Improvements in or relating to fastening
ZA771171B
(en )
1978-01-25
Improvements in or relating to protective devices
ZA776841B
(en )
1978-09-27
Improvements in or relating to warning devices
HK65979A
(en )
1979-09-21
Improvements in or relating to cutters
ZA77810B
(en )
1978-01-25
Improvements in or relating to sawing apparatus
ZA774778B
(en )
1979-03-28
Improvements in or relating to glycerokinases
ZA781679B
(en )
1979-07-25
Improvements in or relating to cooling towers
HK5179A
(en )
1979-02-02
Improvements in or relating to phonographs
MY8100260A
(en )
1981-12-31
Improvements in or relating to packets
ZA772472B
(en )
1978-03-29
Improvements in or relating to cooling apparatus
ZA774654B
(en )
1978-06-28
Improvements in or relating to dartboards
ZA762276B
(en )
1978-03-29
Improvements in or relating to cooling arrangements for workmen
ZA762277B
(en )
1977-09-28
Improvements in or relating to cooling arrangements for workmen
ZA774470B
(en )
1979-01-31
Improvements in or relating to cooling arrangements for workmen
ZA777095B
(en )
1979-02-28
Improvements in or relating to cooling towers
ZA773282B
(en )
1978-04-26
Improvements in or relating to ventilators
ZA762269B
(en )
1977-12-28
Improvements in or relating to apparatus for cooling workmen
ZA772459B
(en )
1978-03-29
Improvements in or relating to keyboard arrangements
ZA773027B
(en )
1978-04-26
Improvements in or relating to casting
HK35982A
(en )
1982-08-20
Improvements in or relating to hand tools
ZA762028B
(en )
1977-06-29
Improvements in or relating to cooling systems
ZA774166B
(en )
1978-05-30
Improvements in or relating to closures
ZA751700B
(en )
1976-08-25
Improvements in or relating to cooling arrangements for workmen working in very hot atmospheres
EG13064A
(en )
1980-07-31
Improvements in or relating to condensate-removing apparatus