AU922013A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number
AU922013A
AU922013A AU9220/13A AU922013A AU922013A AU 922013 A AU922013 A AU 922013A AU 9220/13 A AU9220/13 A AU 9220/13A AU 922013 A AU922013 A AU 922013A AU 922013 A AU922013 A AU 922013A
Authority
AU
Australia
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
AU9220/13A
Other versions
AU922013B (en
Inventor
Herd Corwin Elmer
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU9220/13A priority Critical patent/AU922013B/en
Priority claimed from AU9220/13A external-priority patent/AU922013B/en
Publication of AU922013A publication Critical patent/AU922013A/en
Publication of AU922013B publication Critical patent/AU922013B/en
Expired legal-status Critical Current

Links

AU9220/13A 1913-05-28 1913-05-28 Telephone exchange system Expired AU922013B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU9220/13A AU922013B (en) 1913-05-28 1913-05-28 Telephone exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU9220/13A AU922013B (en) 1913-05-28 1913-05-28 Telephone exchange system

Publications (2)

Publication Number Publication Date
AU922013A true AU922013A (en) 1914-06-09
AU922013B AU922013B (en) 1914-06-09

Family

ID=62185936

Family Applications (1)

Application Number Title Priority Date Filing Date
AU9220/13A Expired AU922013B (en) 1913-05-28 1913-05-28 Telephone exchange system

Country Status (1)

Country Link
AU (1) AU922013B (en)

Similar Documents

Publication Publication Date Title
CA163713A (en) Telephone exchange system
CA163714A (en) Telephone exchange system
CA164712A (en) Telephone exchange system
CA165221A (en) Telephone exchange system
CA165222A (en) Telephone exchange system
CA165404A (en) Telephone exchange system
CA167025A (en) Telephone exchange system
AU922013A (en) Telephone exchange system
AU1055213A (en) Telephone exchange system
AU1055513A (en) Telephone exchange system
AU890013A (en) Telephone exchange systems
CA171776A (en) Telephone system
CA178870A (en) Telephone system
CA159645A (en) Telephone system
CA159741A (en) Telephone system
CA159748A (en) Telephone system
CA164217A (en) Telephone system
CA165670A (en) Telephone system
CA166115A (en) Telephone system
CA166116A (en) Telephone system
CA166250A (en) Telephone system
CA167706A (en) Telephone system
CA170646A (en) Telephone system
CA171099A (en) Telephone system
CA159346A (en) Telephone system