AU1152323A - Improvements in or relating' to telephone systems - Google Patents

Improvements in or relating' to telephone systems

Info

Publication number
AU1152323A
AU1152323A AU11523/23A AU1152323A AU1152323A AU 1152323 A AU1152323 A AU 1152323A AU 11523/23 A AU11523/23 A AU 11523/23A AU 1152323 A AU1152323 A AU 1152323A AU 1152323 A AU1152323 A AU 1152323A
Authority
AU
Australia
Prior art keywords
relating
telephone systems
telephone
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
AU11523/23A
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.)
Ofa Ctual
Original Assignee
Ofa Ctual
Publication date
Publication of AU1152323A publication Critical patent/AU1152323A/en
Expired legal-status Critical Current

Links

AU11523/23A Improvements in or relating' to telephone systems Expired AU1152323A (en)

Publications (1)

Publication Number Publication Date
AU1152323A true AU1152323A (en) 1923-05-11

Family

ID=

Similar Documents

Publication Publication Date Title
AU1152323A (en) Improvements in or relating' to telephone systems
AU607822A (en) Improvements in or relating' to telephone systems
AU664022A (en) Improvements in or relating" to telephone systems
AU1680424A (en) Improvements in or relating' to telephone systems
AU1995124A (en) Improvements in or relating' to telephone systems
AU1023322A (en) Improvements in or relating to telephone systems
AU1074723A (en) Improvements in or relating to telephone systems
AU1084823A (en) Improvements in or relating to telephone systems
AU1100923A (en) Improvements in or relating to telephone systems
AU1160223A (en) Improvements in or relating to telephone systems
AU1288223A (en) Improvements in or relating to telephone systems
AU1288323A (en) Improvements in or relating to telephone systems
AU1362023A (en) Improvements in or relating to telephone systems
AU1414223A (en) Improvements in or relating to telephone systems
AU1490323A (en) Improvements in or relating to telephone systems
AU1547723A (en) Improvements in or relating to telephone systems
AU1575723A (en) Improvements in or relating to telephone systems
AU1645124A (en) Improvements in or relating to telephone systems
AU1114923A (en) Improvements in or relating" to telephone systems
AU358921A (en) Improvements in or relating' to telephone systems. 6
AU1937924A (en) Improvements in or relating to telephone exchange systems
AU1965624A (en) Improvements in or relating' to automatic or semiautomatic telephone systems
AU1246623A (en) Improvements in signalling' systems
AU1022922A (en) Improvements in or relating to telephone systems
AU1023022A (en) Improvements in or relating to telephone systems