AU139605B2 - Improvements in carrier telephone systems - Google Patents

Improvements in carrier telephone systems

Info

Publication number
AU139605B2
AU139605B2 AU11495/47A AU1149547A AU139605B2 AU 139605 B2 AU139605 B2 AU 139605B2 AU 11495/47 A AU11495/47 A AU 11495/47A AU 1149547 A AU1149547 A AU 1149547A AU 139605 B2 AU139605 B2 AU 139605B2
Authority
AU
Australia
Prior art keywords
telephone systems
carrier telephone
carrier
systems
telephone
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
AU11495/47A
Other versions
AU1149547A (en
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.)
Radbourn Pty Ltd Ig
Original Assignee
Radbourn Pty Ltd Ig
Filing date
Publication date
Application filed by Radbourn Pty Ltd Ig filed Critical Radbourn Pty Ltd Ig
Application granted granted Critical
Publication of AU139605B2 publication Critical patent/AU139605B2/en
Publication of AU1149547A publication Critical patent/AU1149547A/en
Expired legal-status Critical Current

Links

AU11495/47A 1947-04-16 Improvements in carrier telephone systems Expired AU139605B2 (en)

Publications (2)

Publication Number Publication Date
AU139605B2 true AU139605B2 (en) 1948-04-22
AU1149547A AU1149547A (en) 1948-04-22

Family

ID=

Similar Documents

Publication Publication Date Title
AU139605B2 (en) Improvements in carrier telephone systems
AU1149547A (en) Improvements in carrier telephone systems
AU139636B2 (en) Improvements in multichannel carrier telephone systems
AU140143B2 (en) Improvements in multichannel carrier telephone systems
AU140142B2 (en) Improvements in multichannel carrier telephone systems
AU139606B2 (en) Improvements in multichannel carrier telephone systems
AU139620B2 (en) Improvements in multichannel carrier telephone systems
AU139731B2 (en) Improvements in telephone systems
AU1149947A (en) Improvements in multichannel carrier telephone systems
AU1149647A (en) Improvements in multichannel carrier telephone systems
AU1149347A (en) Improvements in multichannel carrier telephone systems
AU1149847A (en) Improvements in multichannel carrier telephone systems
AU1152247A (en) Improvements in multichannel carrier telephone systems
AU1297347A (en) Improvements in telephone systems
AU140956B2 (en) Improvements in telephone signalling systems
AU139458B2 (en) Carrier current telephone systems
AU141970B2 (en) Improvements in intercommunication telephone systems
CA440944A (en) Telephone system
CA443722A (en) Telephone system
CA442718A (en) Telephone system
CA443407A (en) Telephone system
CA441181A (en) Telephone system
CA439394A (en) Telephone system
CA440708A (en) Telephone system
CA442941A (en) Telephone system