AU1677434A - Improvements in or relating to two-way telephone systems - Google Patents

Improvements in or relating to two-way telephone systems

Info

Publication number
AU1677434A
AU1677434A AU16774/34A AU1677434A AU1677434A AU 1677434 A AU1677434 A AU 1677434A AU 16774/34 A AU16774/34 A AU 16774/34A AU 1677434 A AU1677434 A AU 1677434A AU 1677434 A AU1677434 A AU 1677434A
Authority
AU
Australia
Prior art keywords
relating
telephone systems
way telephone
way
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
AU16774/34A
Inventor
Joseph Hughes Wassell Harold
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Filing date
Publication date
Application filed by Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of AU1677434A publication Critical patent/AU1677434A/en
Expired legal-status Critical Current

Links

AU16774/34A 1934-03-15 Improvements in or relating to two-way telephone systems Expired AU1677434A (en)

Publications (1)

Publication Number Publication Date
AU1677434A true AU1677434A (en) 1935-07-11

Family

ID=

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