ZA712161B
(en )
1972-01-26
Improvements in or relating to electrical switches
ZA728342B
(en )
1974-07-31
Improvements in or relating to insulating materials
ZA734044B
(en )
1974-05-29
Improvements in or relating to the manufacture of electric cables
ZA734618B
(en )
1974-06-26
Improvements in or relating to electrical capacitors
ZA735025B
(en )
1974-06-26
Improvements in or relating to electric interference-suppressing assemblies
ZA735671B
(en )
1974-09-25
Improvements in or relating to electrical heating elements
ZA732672B
(en )
1974-03-27
Improvements in or relating to electrical installations
ZA732892B
(en )
1974-04-24
Improvements in electric cables
IL41990A0
(en )
1973-06-29
Improvements in or relating to electrical heaters
ZA732893B
(en )
1974-04-24
Improvements in electric cables
AU476060B2
(en )
1976-09-09
Improvements in or relating to electric generators
ZA738970B
(en )
1974-10-30
Improvements in or relating to the manufacture of insulated electric cables
ZA741450B
(en )
1975-02-26
Improvements in or relating to electrical switches
MY7700275A
(en )
1977-12-31
Improvements relating to electrical
ZA731486B
(en )
1973-11-28
Improvements relating to electrical switchgear
ZA734537B
(en )
1974-06-26
Improvements in or relating to electric key-switches
ZA712296B
(en )
1972-11-29
Improvements in or relating to insulators
ZA739166B
(en )
1974-10-30
Improvements in electric cables
IE37009B1
(en )
1977-04-13
Improvements in or relating to electrical insulators
ZA735836B
(en )
1974-07-31
Improvements in or relating to electric key-switches
ZA728390B
(en )
1974-06-26
Improvements in or relating to insulators
ZA724503B
(en )
1973-10-31
Improvements in or relating to electric cables
ZA725895B
(en )
1973-08-29
Improvements in or relating to electric switches
ZA72930B
(en )
1972-10-25
Improvements in electric cables
AU473176B2
(en )
1976-06-17
Improvements in or relating to electrical insulators