ZA707095B
(en )
1971-11-24
Improvements in or relating to railfastening devices
HK49376A
(en )
1976-08-06
Improvements in or relating to anchor-cable systems
ZA713666B
(en )
1972-01-26
Improvements in or relating to programme-controlled exchange systems
ZA702211B
(en )
1971-09-29
Improvements in or relating to stud-welding
ZA713121B
(en )
1972-01-26
Improvements in or relating to programme-controlled data switching systems
AU461069B2
(en )
1975-05-15
Improvements in or relating to telecommunications systems
ZA707147B
(en )
1972-09-27
Improvements in or relating to audio-sensitive devices
MY7300498A
(en )
1973-12-31
Improvements in or relating to telecommunication cables
ZA712296B
(en )
1972-11-29
Improvements in or relating to insulators
ZA713486B
(en )
1972-01-26
Improvements in or relating to telecommunications systems
ZA716873B
(en )
1972-06-28
Improvements in or relating to optical systems
AU467665B2
(en )
1975-12-11
Improvements in or relating to telecommunications exchange systems
AU477052B2
(en )
1972-09-07
Improvements in or relating to telecommunications systems
ZA728824B
(en )
1973-09-26
Improvements in or relating to telephone systems
ZA715082B
(en )
1972-04-26
Improvements in or relating to telecommunications exchange systems
AU2615471A
(en )
1972-09-07
Improvements in or relating to telecommunications systems
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA725290B
(en )
1973-04-25
Improvements in or relating to telecommunications systems
ZA71582B
(en )
1971-10-27
Improvements in or relating to telecommunications distributors
AU448363B2
(en )
1972-10-05
Improvements in or relating to error-measurement systems
AU457301B2
(en )
1973-05-24
Improvements in or relating to anti-sked systems
AU449583B2
(en )
1972-08-17
Improvements in or relating to telecommunications assemblies
ZA728823B
(en )
1973-09-26
Improvements in or relating to telephone systems
AU421323B2
(en )
1970-06-04
Improvements in or relating to telecommunications systems
AU443227B2
(en )
1971-10-14
Improvements in or relating to junctors