AU102249B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU102249B2
AU102249B2 AU1019/37A AU101937A AU102249B2 AU 102249 B2 AU102249 B2 AU 102249B2 AU 1019/37 A AU1019/37 A AU 1019/37A AU 101937 A AU101937 A AU 101937A AU 102249 B2 AU102249 B2 AU 102249B2
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
AU1019/37A
Other versions
AU101937A (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.)
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
Application granted granted Critical
Publication of AU102249B2 publication Critical patent/AU102249B2/en
Publication of AU101937A publication Critical patent/AU101937A/en
Expired legal-status Critical Current

Links

AU1019/37A 1937-03-13 Improvements relating to telephone systems Expired AU102249B2 (en)

Publications (2)

Publication Number Publication Date
AU102249B2 true AU102249B2 (en) 1937-10-02
AU101937A AU101937A (en) 1937-10-02

Family

ID=

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