AU2002934A - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU2002934A
AU2002934A AU20029/34A AU2002934A AU2002934A AU 2002934 A AU2002934 A AU 2002934A AU 20029/34 A AU20029/34 A AU 20029/34A AU 2002934 A AU2002934 A AU 2002934A AU 2002934 A AU2002934 A AU 2002934A
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
telephone
relating
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
AU20029/34A
Inventor
Percy Long Douglas
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Publication of AU2002934A publication Critical patent/AU2002934A/en
Expired legal-status Critical Current

Links

AU20029/34A 1935-07-10 Improvements relating to telephone systems Expired AU2002934A (en)

Publications (1)

Publication Number Publication Date
AU2002934A true AU2002934A (en) 1935-07-18

Family

ID=

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