AU1212543A - Improvements in telephone or like systems - Google Patents

Improvements in telephone or like systems

Info

Publication number
AU1212543A
AU1212543A AU12125/43A AU1212543A AU1212543A AU 1212543 A AU1212543 A AU 1212543A AU 12125/43 A AU12125/43 A AU 12125/43A AU 1212543 A AU1212543 A AU 1212543A AU 1212543 A AU1212543 A AU 1212543A
Authority
AU
Australia
Prior art keywords
telephone
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
AU12125/43A
Other versions
AU123955B2 (en
Inventor
Dwight Grandstaff Otho
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Filing date
Publication date
Application filed by Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of AU123955B2 publication Critical patent/AU123955B2/en
Publication of AU1212543A publication Critical patent/AU1212543A/en
Expired legal-status Critical Current

Links

AU12125/43A 1943-12-04 Improvements in telephone or like systems Expired AU123955B2 (en)

Publications (2)

Publication Number Publication Date
AU123955B2 AU123955B2 (en) 1947-04-17
AU1212543A true AU1212543A (en) 1947-04-17

Family

ID=

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