AU1213628A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU1213628A
AU1213628A AU12136/28A AU1213628A AU1213628A AU 1213628 A AU1213628 A AU 1213628A AU 12136/28 A AU12136/28 A AU 12136/28A AU 1213628 A AU1213628 A AU 1213628A AU 1213628 A AU1213628 A AU 1213628A
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
AU12136/28A
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Filing date
Publication date
Application filed by Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Publication of AU1213628A publication Critical patent/AU1213628A/en
Expired legal-status Critical Current

Links

AU12136/28A 1928-03-06 Improvements in or relating to telephone systems Expired AU1213628A (en)

Publications (1)

Publication Number Publication Date
AU1213628A true AU1213628A (en) 1928-12-31

Family

ID=

Similar Documents

Publication Publication Date Title
AU1456628A (en) Improvements in or relating to telephone systems
AU1394728A (en) Improvements in or relating to telephone systems
AU1227328A (en) Improvements in or relating to telephone systems
AU1213628A (en) Improvements in or relating to telephone systems
AU1208328A (en) Improvements in or relating to telephone systems
AU1204828A (en) Improvements in or relating to telephone systems
AU1175128A (en) Improvements in or relating to telephone systems
AU1144628A (en) Improvements in or relating to telephone systems
AU1130928A (en) Improvements in or relating to telephone systems
AU1114728A (en) Improvements in or relating to telephone systems
AU1630128A (en) Improvements in or relating to telephone systems
AU1315428A (en) Improvements in or relating to telephone systems
AU1667328A (en) Improvements in or relating to telephone systems
AU1671228A (en) Improvements in or relating to telephone systems
AU721327A (en) Improvements in or relating to telephone systems
AU1175028A (en) Improvements in or relating to telephone systesis
AU1424828A (en) Improvements in or relating to telephone systems
AU1879729A (en) Improvements in or relating to telephone systems
AU2105229A (en) Improvements in or relating to telephone systems
AU2221329A (en) Improvements in or relating to telephone systems
AU2249329A (en) Improvements in or relating to telephone systems
AU2427129A (en) Improvements in or relating to telephone systems
AU2434629A (en) Improvements in or relating to telephone systems
AU2440629A (en) Improvements in or relating to telephone systems
AU1175228A (en) Improvements in and relating to telephone systems