AU216672B2 - Improvements relating to automatic telephone exchanges and like selective systems - Google Patents

Improvements relating to automatic telephone exchanges and like selective systems

Info

Publication number
AU216672B2
AU216672B2 AU25542/57A AU2554257A AU216672B2 AU 216672 B2 AU216672 B2 AU 216672B2 AU 25542/57 A AU25542/57 A AU 25542/57A AU 2554257 A AU2554257 A AU 2554257A AU 216672 B2 AU216672 B2 AU 216672B2
Authority
AU
Australia
Prior art keywords
improvements relating
automatic telephone
telephone exchanges
selective systems
selective
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU25542/57A
Other versions
AU2554257A (en
Inventor
James Warman and Douglas McKinley Bibb Bloomfield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan Ltd
Filing date
Publication date
Application filed by Siemens Edison Swan Ltd filed Critical Siemens Edison Swan Ltd
Application granted granted Critical
Publication of AU2554257A publication Critical patent/AU2554257A/en
Publication of AU216672B2 publication Critical patent/AU216672B2/en
Expired legal-status Critical Current

Links

AU25542/57A 1957-02-19 Improvements relating to automatic telephone exchanges and like selective systems Expired AU216672B2 (en)

Publications (2)

Publication Number Publication Date
AU2554257A AU2554257A (en) 1957-08-22
AU216672B2 true AU216672B2 (en) 1957-08-22

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436739A (en) 1978-10-16 1984-03-13 Eli Lilly And Company Substituted 1-thia-3-aza-4-ones

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436739A (en) 1978-10-16 1984-03-13 Eli Lilly And Company Substituted 1-thia-3-aza-4-ones

Similar Documents

Publication Publication Date Title
AU216672B2 (en) Improvements relating to automatic telephone exchanges and like selective systems
AU2554257A (en) Improvements relating to automatic telephone exchanges and like selective systems
AU224424B2 (en) Improvements relating to automatic telephone and like exchange systems
AU224511B2 (en) Improvements relating to automatic telephone and like selective system
AU219804B2 (en) Improvements relating to automatic telephone and like signalling systems
AU2861357A (en) Improvements relating to automatic telephone and like exchange systems
AU3199257A (en) Improvements relating to automatic telephone and like selective system
AU3008657A (en) Improvements relating to automatic telephone and like signalling systems
CA543690A (en) Automatic telephone and like selective systems
AU214061B2 (en) Improvements relating to automatic telephone and like selecting systems
AU226423B2 (en) Improvements relating to automatic telephone systems
AU215690B2 (en) Improvements relating to automatic telephone systems andthe like
AU216847B2 (en) Improvements in telephone systems
AU221000B2 (en) Improvements in telephone systems
AU219945B2 (en) Improvements in telephone systems
AU217337B2 (en) Improvements in telephone systems
AU214701B2 (en) Improvements in telephone systems
AU215819B2 (en) Improvements in telephone systems
AU1547356A (en) Improvements relating to automatic telephone and like selecting systems
CA548744A (en) Automatic telephone systems
CA543973A (en) Automatic telephone system
AU2946857A (en) Improvements relating to automatic telephone systems
AU228480B2 (en) Improvements in or relating to automatic telephone systems
AU226993B2 (en) Improvements in or relating to automatic telephone systems
CA544753A (en) Crossbar automatic telephone system