AU1891867A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU1891867A
AU1891867A AU18918/67A AU1891867A AU1891867A AU 1891867 A AU1891867 A AU 1891867A AU 18918/67 A AU18918/67 A AU 18918/67A AU 1891867 A AU1891867 A AU 1891867A AU 1891867 A AU1891867 A AU 1891867A
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
AU18918/67A
Other versions
AU410270B2 (en
Inventor
JAMES BROWELL and ALFRED JOHN TIERNEY LESLIE
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Filing date
Publication date
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of AU410270B2 publication Critical patent/AU410270B2/en
Publication of AU1891867A publication Critical patent/AU1891867A/en
Expired legal-status Critical Current

Links

AU18918/67A 1967-03-15 Improvements in or relating to telephone systems Expired AU410270B2 (en)

Publications (2)

Publication Number Publication Date
AU410270B2 AU410270B2 (en) 1968-09-19
AU1891867A true AU1891867A (en) 1968-09-19

Family

ID=

Similar Documents

Publication Publication Date Title
AU410270B2 (en) Improvements in or relating to telephone systems
AU1891867A (en) Improvements in or relating to telephone systems
AU423024B2 (en) Improvements in or relating to telecommunications systems
AU421726B2 (en) Improvements in or relating to telecommunications systems
AU419111B2 (en) Improvements in or relating to communication systems
AU421510B2 (en) Improvements in or relating to communication systems
AU4495768A (en) Improvements in or relating to telecommunications systems
AU4697768A (en) Improvements in or relating to telecommunications systems
AU417980B2 (en) Improvements in telephone systems
AU414434B2 (en) Improvements in or relating to telephone systems
AU2096067A (en) Improvements in or relating to communication systems
GB1202894A (en) Improvements in or relating to telephone systems
AU414857B2 (en) Improvements in or relating to telecommunication systems
AU402073B2 (en) Improvements in or relating to telecommunication systems
AU444352B2 (en) Improvements in or relating to telecommunication switching systems
AU2528967A (en) Improvements in telephone systems
AU1191666A (en) Improvements in or relating to telephone systems
AU406376B2 (en) Improvements in or relating to telecommunications systems
AU409376B2 (en) Improvements in or relating to telephone switchboards
AU406634B2 (en) Improvements in or relating to telephone exchange systems
AU415045B2 (en) Improvements in or relating to telephone exchange systems
AU433317B2 (en) Improvements in or relating to telecommunication systems
AU426948B2 (en) Improvements in lighting-control systems
AU416373B2 (en) Improvements in or relating to teleprinter systems
AU423375B2 (en) Improvements in or relating to golfballs