BE756180A
(fr )
1971-02-15
Central de commutation de communications
CA921158A
(en )
1973-02-13
Centralized crosspoint switching unit
ZA738682B
(en )
1974-10-30
Improvements in or relating to telecommunication switching systems
AU5632673A
(en )
1974-12-05
Telephone exchange switching system telephone exchange switching system
CA947853A
(en )
1974-05-21
Crosspoint switching arrangement
AU5696673A
(en )
1974-12-19
Multiple stage telecommunications switching network multiple stage telecommunications switching network
ZA703439B
(en )
1971-01-27
Telecommunication exchange using crosspoint switches
MY7300120A
(en )
1973-12-31
Telecommunication exchange using crosspoint switches
AU437318B2
(en )
1971-12-02
Telecommunication exchange using crosspoint switches
AU437663B2
(en )
1971-12-02
Telecommunication exchange using crosspoint switches
CA809751A
(en )
1969-04-01
Telecommunication exchange using crosspoint switches
AU1564170A
(en )
1971-12-02
Telecommunication exchange using crosspoint switches
AU1557070A
(en )
1971-12-02
Telecommunication exchange using crosspoint switches
AU5641073A
(en )
1974-12-05
Time-division switching network time-division switching network
AU439824B2
(en )
1970-09-10
Telecommunication exchange using crosspoint switches
AU5155069A
(en )
1970-09-10
Telecommunication exchange using crosspoint switches
ZA702493B
(en )
1971-01-27
Switching arrangement
ZA734493B
(en )
1974-06-26
Telecommunication exchange employing crosspoint switches
CA938706A
(en )
1973-12-18
Telecommunication exchanges
CH543842A
(fr )
1973-10-31
Central de télécommunication
AU425521B2
(en )
1967-11-16
Telecommunication exchange using crosspoint switches
CA831110A
(en )
1969-12-30
Telecommunication exchange employing cross point switches
AU412315B2
(en )
1971-04-07
Telecommunication exchange employing crosspoint switches
AU545766A
(en )
1967-11-16
Telecommunication exchange using crosspoint switches
ZA702512B
(en )
1971-01-27
Pcm switching system