AU209235B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU209235B2
AU209235B2 AU16620/56A AU1662056A AU209235B2 AU 209235 B2 AU209235 B2 AU 209235B2 AU 16620/56 A AU16620/56 A AU 16620/56A AU 1662056 A AU1662056 A AU 1662056A AU 209235 B2 AU209235 B2 AU 209235B2
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
telephone
relating
systems
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
AU16620/56A
Other versions
AU1662056A (en
Inventor
Allen Stallworth and John Graham Brown Frank
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 Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of AU209235B2 publication Critical patent/AU209235B2/en
Publication of AU1662056A publication Critical patent/AU1662056A/en
Expired legal-status Critical Current

Links

AU16620/56A 1956-03-02 Improvements relating to telephone systems Expired AU209235B2 (en)

Publications (2)

Publication Number Publication Date
AU209235B2 true AU209235B2 (en) 1956-09-13
AU1662056A AU1662056A (en) 1956-09-13

Family

ID=

Similar Documents

Publication Publication Date Title
AU209235B2 (en) Improvements relating to telephone systems
AU1662056A (en) Improvements relating to telephone systems
AU206455B2 (en) Improvements relating to telephone systems. m
AU222606B2 (en) Improvements relating to telephone systems
AU219986B2 (en) Improvements relating to telephone systems
AU221588B2 (en) Improvements relating to telephone systems
CA533984A (en) Telephone system
AU215721B2 (en) Improvements in or relating to telephone systems
CA521394A (en) Telephone systems
CA525662A (en) Telephone systems
CA524594A (en) Telephone systems
CA530739A (en) Telephone systems
CA524631A (en) Telephone systems
CA522332A (en) Telephone systems
CA533592A (en) Telephone systems
CA521856A (en) Telephone systems
AU218950B2 (en) Improvements in or relating to telecommunication systems
AU1646756A (en) Improvements relating to telephone systems. m
AU2614257A (en) Improvements relating to telephone systems
AU2706457A (en) Improvements relating to telephone systems
AU2792057A (en) Improvements relating to telephone systems
AU1825856A (en) Improvements in or relating to telephone systems
AU208699B2 (en) Improvements relating to telephone systems
AU206505B2 (en) Improvements relating to telephone systems
AU2396456A (en) Improvements in or relating to telecommunication systems